| SABLAYAN, Mindoro Occ (GLOBE ) | GSL | 00 + 43 + Telephone Number |
| SABTANG IS., Batanes - IFDCI | SBF | 00 + 78 + Telephone Number |
| SAGADA, Mt. Province (DIGITEL/RTDP) | SGD | 00 + 74 + Telephone Number |
| SAGAY, Neg. Occ. - G.E. Serafin | SGS | 00 + 34 + Telephone Number |
| SAGAY, Neg. Occ. (ISLACOM) | IGY | 00 + 34 + Telephone Number |
| SAGBAYAN, Bohol - M. Aņana | SGB | 00 + 38 + Telephone Number |
| SAGBAYAN, Bohol (ISLACOM) | IYB | 00 + 38 + Telephone Number |
| SAGNAY, Camarines Sur (BAYANTEL) | ISQ | 00 + 54 + Telephone Number |
| SALAY, Misamis Or. - P. Capistrano | SAY | 00 + 88 + Telephone Number |
| SALCEDO, Ilocos Sur - L. Gironella, Jr. | SLD | 00 + 77 + Telephone Number |
| SALUG, Zamboanga Del Norte (PILTEL) | SUG | 00 + 65 + Telephone Number |
| SAMAL, Bataan (NTP/DIGITEL) | SAA | 00 + 47 + Telephone Number |
| SAMBOAN, Cebu - RPPFI | SBN | 00 + 32 + Telephone Number |
| SAMBOAN, Cebu (ISLACOM) | ITQ | 00 + 32 + Telephone Number |
| SAMPALOC 5 EWSD | SCD | 00 + 2 + Telephone Number |
| SAMPALOC 5 EWSD - TELETIPID | SCD | 00 + 2 + Telephone Number |
| SAMPALOC, Quezon - O.I. Pandy | SQP | 00 + 42 + Telephone Number |
| SAN AGUSTIN, Romblon - E. Solidum | SNA | 00 + 42 + Telephone Number |
| SAN ANDRES, Catanduanes (BAYANTEL) | IAD | 00 + 52 + Telephone Number |
| SAN ANDRES, Romblon - D.F. Ylagan | SHS | 00 + 42 + Telephone Number |
| SAN ANTONIO, N. E. - A. Inductivo | SAE | 00 + 44 + Telephone Number |
| SAN ANTONIO, N. Ecija AXE | SOH | 00 + 44 + Telephone Number |
| SAN ANTONIO, Quezon (PT&T) | SQA | 00 + 42 + Telephone Number |
| SAN ANTONIO, Zambales AXE | SZA | 00 + 47 + Telephone Number |
| SAN ANTONIO, Zambales - F. Malonzo | SAN | 00 + 47 + Telephone Number |
| SAN ANTONIO, Zambales - V. Abille | WDZ | 00 + 47 + Telephone Number |
| SAN CARLOS, Neg. Occ. (ISLACOM) | SSZ | 00 + 34 + Telephone Number |
| SAN CARLOS, Neg. Occ. (SACATEL) | SCN | 00 + 34 + Telephone Number |
| SAN CARLOS, Pangasinan AXE | SCH | 00 + 75 + Telephone Number |
| SAN CARLOS, Pangasinan (DIGITEL/RTDP) | SNP | 00 + 75 + Telephone Number |
| SAN CARLOS, Pangasinan (SACATEL) | SCP | 00 + 75 + Telephone Number |
| SAN ENRIQUE, Iloilo (ISLACOM) | IQS | 00 + 33 + Telephone Number |
| SAN ENRIQUE, Negros Occ. (ISLACOM) | SEQ | 00 + 34 + Telephone Number |
| SAN FABIAN - C. Ganay | FAG | 00 + 75 + Telephone Number |
| SAN FABIAN, Pangasinan AXE | SFH | 00 + 75 + Telephone Number |
| SAN FABIAN, Pangasinan (DIGITEL) | SFX | 00 + 75 + Telephone Number |
| SAN FELIPE, Zam. - H. Yap | SFL | 00 + 47 + Telephone Number |
| SAN FERNANDO, Camarines Sur (BAYANTEL) | IFD | 00 + 54 + Telephone Number |
| SAN FERNANDO, Cebu (ISLACOM) | IAN | 00 + 32 + Telephone Number |
| SAN FERNANDO, Cebu - RPPFI | SFB | 00 + 32 + Telephone Number |
| SAN FERNANDO, La Union AXE | SFF | 00 + 72 + Telephone Number |
| SAN FERNANDO, La Union (DIGITEL) | DSF | 00 + 72 + Telephone Number |
| SAN FERNANDO, La Union (LBNI) | LBU | 00 + 72 969 + Telephone Number |
| SAN FERNANDO, La Union (PT&T VODEX) | SRU | 00 + 72 + Telephone Number |
| SAN FERNANDO, La Union EWSD | SUD | 00 + 72 + Telephone Number |
| SAN FERNANDO, La Union EWSD TELETIPID | SUD | 00 + 72 + Telephone Number |
| SAN FERNANDO, Pampanga AXE | SFW | 00 + 45 + Telephone Number |
| SAN FERNANDO, Pampanga AXE TELETIPID | SFW | 00 + 45 + Telephone Number |
| SAN FERNANDO, Pampanga (DIGITEL) | DSA | 00 + 45 + Telephone Number |
| SAN FERNANDO, Pampanga (PT&T VODEX) | SFO | 00 + 45 + Telephone Number |
| SAN FERNANDO, Pampanga NEAX | SPF | 00 + 45 + Telephone Number |
| SAN FERNANDO, Pampanga NEAX TELETIPID | SPF | 00 + 45 + Telephone Number |
| SAN FERNANDO, Pampanga S12 | SFP | 00 + 45 + Telephone Number |
| SAN FERNANDO, Pampanga S12 TELETIPID | SFP | 00 + 45 + Telephone Number |
| SAN FERNANDO, Romblon - S. R. Tansingco | SHR | 00 + 42 + Telephone Number |
| SAN FRANCISCO, Agusan Del Sur (PHILCOM) | MSF | 00 + 85 + Telephone Number |
| SAN FRANCISCO, Agusan Del Sur (CRUZTELCO) | SFI | 00 + 85 + Telephone Number |
| SAN FRANCISCO, Agusan Del Sur (DOTC/CPMO) | SFK | 00 + 85 + Telephone Number |
| SAN FRANCISCO, Agusan Del Sur (PT&T VODEX) | SFV | 00 + 85 + Telephone Number |
| SAN FRANCISCO, Cebu - RPPFI | SFE | 00 + 32 + Telephone Number |
| SAN FRANCISCO, Cebu (ISLACOM) | SFR | 00 + 32 + Telephone Number |
| SAN GABRIEL, La Union - E. Ducusin | SGE | 00 + 72 + Telephone Number |
| SAN ILDEFONSO / STO. DOMINGO, Ilocos Sur (DIGITEL/RTDP) | STT | 00 + 77 + Telephone Number |
| SAN ILDEFONSO, Bulacan AXE | SEH | 00 + 44 + Telephone Number |
| SAN ILDEFONSO, Bulacan (DIGITEL) | SIF | 00 + 44 + Telephone Number |
| SAN ISIDRO, Bohol - L. Baldoman T/D 10/07/99 | SIS | 00 + 38 + Telephone Number |
| SAN ISIDRO, Davao Oriental - MTPO IXC | SVO | 00 + 87 + Telephone Number |
| SAN ISIDRO, Leyte (ISLACOM) | SIZ | 00 + 53 + Telephone Number |
| SAN ISIDRO, No. Samar - R.S. Palop | SDS | 00 + 55 + Telephone Number |
| SAN JACINTO, Pangasinan - C. Mercado | SJT | 00 + 75 + Telephone Number |
| SAN JAOQUIN, Iloilo (ISLACOM) | IQN | 00 + 33 + Telephone Number |
| SAN JAOQUIN, Iloilo (SITELCO) | SQU | 00 + 33 + Telephone Number |
| SAN JOSE DE BUENAVISTA, Antique (DOTC/NTP) | SJF | 00 + 36 + Telephone Number |
| SAN JOSE DEL MONTE, Bulacan(NTP/DIGITEL) | SJD | 00 + 44 + Telephone Number |
| SAN JOSE, Antique - R. Uy | SAQ | 00 + 36 + Telephone Number |
| SAN JOSE, Antique (ISLACOM) | IJS | 00 + 36 + Telephone Number |
| SAN JOSE, Bat. PLDT Toll Booth | SJH | 00 + 43 + Telephone Number |
| SAN JOSE, Batangas (GLOBE ) | GJO | 00 + 43 + Telephone Number |
| SAN JOSE, Batangas RDLU | SJB | 00 + 43 + Telephone Number |
| SAN JOSE, Batangas RDLU TELETIPID | SJB | 00 + 43 + Telephone Number |
| SAN JOSE, Camarines Sur (BAYANTEL) | IJO | 00 + 54 + Telephone Number |
| SAN JOSE, Mindoro Occ. (GLOBE) | GSJ | 00 + 43 + Telephone Number |
| SAN JOSE, Mindoro Occ. (NTP/DIGITEL) | SOC | 00 + 43 + Telephone Number |
| SAN JOSE, Mindoro Occ. (PT&T VODEX) | SJE | 00 + 43 + Telephone Number |
| SAN JOSE, Negros Or. (ISLACOM) | IJC | 00 + 35 + Telephone Number |
| SAN JOSE, Negros Or. (MTPO) | SJO | 00 + 35 + Telephone Number |
| SAN JOSE, No. Samar - A.D. Anaviso | NSA | 00 + 55 + Telephone Number |
| SAN JOSE, Nueva Ecija (SJTEL) | SJL | 00 + 4424 + Telephone Number |
| SAN JOSE, Nueva Ecija AXE | SCJ | 00 + 44 + Telephone Number |
| SAN JOSE, Nueva Ecija (NTP/DIGITEL) | SJC | 00 + 44 + Telephone Number |
| SAN JOSE, Surigao Del Norte - C.M. Baltazar | SJZ | 00 + 86 + Telephone Number |
| SAN JOSE, Tarlac (DIGITEL) | SOJ | 00 + 45 + Telephone Number |
| SAN JUAN DEL MONTE, Bulacan AXE | SDJ | 00 + 44 + Telephone Number |
| SAN JUAN, Batangas (GENTELS) | SJN | 00 + 43 + Telephone Number |
| SAN JUAN, Batangas (NTP/DIGITEL) | SNJ | 00 + 43 + Telephone Number |
| SAN JUAN, Ilocos Sur - E. B. Pablico | SJI | 00 + 77 + Telephone Number |
| SAN JUAN, Ilocos Sur (DIGITEL) | SJX | 00 + 77 + Telephone Number |
| SAN JUAN, La Union - R. Ganaden | SJG | 00 + 72 + Telephone Number |
| SAN JUAN, La Union (DIGITEL) | SJV | 00 + 72 + Telephone Number |
| SAN JUAN, Siquijor (ISLACOM) | IJQ | 00 + 35 + Telephone Number |
| SAN JUAN, Siquijor (MTPO) | SJS | 00 + 35 + Telephone Number |
| SAN JUAN, So. Leyte - N.D. Palermo | SJW | 00 + 53 + Telephone Number |
| SAN LEONARDO, Nueva E. - H.M. De Guzman | LEN | 00 + 44 + Telephone Number |
| SAN LORENZO RUIZ, Camarines Norte (BAYANTEL) | ISZ | 00 + 54 + Telephone Number |
| SAN LUIS, Batangas - WBTS T/D 12/07/98 | SLU | 00 + 43 + Telephone Number |
| SAN LUIS, Batangas (DIGITEL) | SLK | 00 + 43 + Telephone Number |
| SAN LUIS, Batangas (GLOBE) | GSA | 00 + 43 + Telephone Number |
| SAN MANUEL, Isabela (RTDP/DIGITEL) | DLM | 00 + 78 + Telephone Number |
| SAN MANUEL, Pangasinan - N. Asuncion | SML | 00 + 75 + Telephone Number |
| SAN MANUEL, Pangasinan (DIGITEL/RTDP) | SMN | 00 + 75 + Telephone Number |
| SAN MANUEL, Tarlac (DIGITEL) | SNM | 00 + 45 + Telephone Number |
| SAN MANUEL, Tarlac AXE | SLF | 00 + 45 + Telephone Number |
| SAN MARCELINO PLDT Toll Booth | SLZ | 00 + 47 + Telephone Number |
| SAN MARCELINO, Zambales AXE | SZS | 00 + 47 + Telephone Number |
| SAN MARIANO, Isabela (DIGITEL) | SNH | 00 + 78 + Telephone Number |
| SAN MATEO, Isabela (RTDP/DIGITEL) | DIM | 00 + 78 + Telephone Number |
| SAN MATEO, Rizal (DIGITEL) | DST | 00 + 2 + Telephone Number |
| SAN MATEO, Rizal (PT&T) | MTE | 00 + 2 + Telephone Number |
| SAN MIGUEL - G. Timbol | SMT | 00 + 45 + Telephone Number |
| SAN MIGUEL - M. Veneracion | SMV | 00 + 44 + Telephone Number |
| SAN MIGUEL, Bohol - G. Luzon | SGU | 00 + 38 + Telephone Number |
| SAN MIGUEL, Bohol (ISLACOM) | SGL | 00 + 38 + Telephone Number |
| SAN MIGUEL, Bul. PLDT Toll Booth | SMI | 00 + 44 + Telephone Number |
| SAN MIGUEL, Bulacan AXE | SGJ | 00 + 44 + Telephone Number |
| SAN MIGUEL, Bulacan (DIGITEL) | DSB | 00 + 44 + Telephone Number |
| SAN MIGUEL, Bulacan S12 | SMB | 00 + 44 + Telephone Number |
| SAN MIGUEL, Bulacan S12 TELETIPID | SMB | 00 + 44 + Telephone Number |
| SAN MIGUEL, Catanduanes (BAYANTEL) | IGE | 00 + 52 + Telephone Number |
| SAN MIGUEL, Iloilo (ISLACOM) | IUE | 00 + 33 + Telephone Number |
| SAN MIGUEL, Leyte (ISLACOM) | IGO | 00 + 53 + Telephone Number |
| SAN NARCISO PLDT Toll Booth | SRZ | 00 + 47 + Telephone Number |
| SAN NARCISO, Zam. - L. Manalo | SNN | 00 + 47 + Telephone Number |
| SAN NARCISO, Zambales AXE | SZO | 00 + 47 + Telephone Number |
| SAN NARCISO, Zambales AXE TELETIPID | SZO | 00 + 47 + Telephone Number |
| SAN NARCISO, Zambales NEAX | SNX | 00 + 47 + Telephone Number |
| SAN NARCISO, Zambales NEAX TELETIPID | SNX | 00 + 47 + Telephone Number |
| SAN NICOLAS - C. Serrano | SNC | 00 + 77 + Telephone Number |
| SAN NICOLAS, Batangas - WBTS T/D 12/31/99 | SNB | 00 + 43 + Telephone Number |
| SAN NICOLAS, Ilocos Norte AXE | SCF | 00 + 77 + Telephone Number |
| SAN NICOLAS, Ilocos Norte (DIGITEL/RTDP) | SNT | 00 + 77 + Telephone Number |
| SAN NICOLAS, Pangasinan - P. Suyat | SNL | 00 + 75 + Telephone Number |
| SAN NICOLAS, Pangasinan (DIGITEL/RTDP) | TAY | 00 + 75 + Telephone Number |
| SAN PABLO PLDT Toll Booth | PBL | 00 + 49 + Telephone Number |
| SAN PABLO, Laguna (DIGITEL) | DSS | 00 + 49 + Telephone Number |
| SAN PABLO, Laguna (LBNI) | LBJ | 00 + 49 969 + Telephone Number |
| SAN PABLO, Laguna (PT&T VODEX) | SGG | 00 + 49 + Telephone Number |
| SAN PABLO, Laguna (PT&T) | SLL | 00 + 49 + Telephone Number |
| SAN PABLO, Laguna EWSD | PBO | 00 + 49 + Telephone Number |
| SAN PABLO, Laguna EWSD TELETIPID | PBO | 00 + 49 + Telephone Number |
| SAN PASCUAL, Batangas (GLOBE) | GSB | 00 + 43 + Telephone Number |
| SAN PEDRO NEAX - TELETIPID | SAP | 00 + 2 + Telephone Number |
| SAN PEDRO, Laguna NEAX | SAP | 00 + 2 + Telephone Number |
| SAN PEDRO, Laguna (DIGITEL) | DSP | 00 + 2 + Telephone Number |
| SAN PEDRO, Laguna (PT&T) | SPS | 00 + 2 + Telephone Number |
| SAN QUINTIN, Pangasinan (DIGITEL/RTDP) | UMG | 00 + 75 + Telephone Number |
| SAN RAFAEL, Bulacan AXE | SRK | 00 + 44 + Telephone Number |
| SAN RAFAEL, Bulacan (NTP/DIGITEL) | SRF | 00 + 44 + Telephone Number |
| SAN REMIGIO, Cebu - RPPFI | SRM | 00 + 32 + Telephone Number |
| SAN REMIGIO, Cebu (ISLACOM) | ISH | 00 + 32 + Telephone Number |
| SAN SIMON, Pampanga (DIGITEL) | SSI | 00 + 45 + Telephone Number |
| SAN VICENTE, Camarines Norte (BAYANTEL) | ISV | 00 + 54 + Telephone Number |
| SAN VICENTE, Ilocos Sur (RTDP/DIGITEL) | DSV | 00 + 77 + Telephone Number |
| SANCHEZ-MIRA / CLAVERIA, Cagayan (DIGITEL/RTDP) | CVR | 00 + 78 + Telephone Number |
| SANTA, Ilocos Sur (RTDP/DIGITEL) | DSD | 00 + 77 + Telephone Number |
| SANTANDER, Cebu - RPPFI TOBS | STR | 00 + 32 + Telephone Number |
| SANTANDER, Cebu (ISLACOM) | ITT | 00 + 32 + Telephone Number |
| SANTIAGO, Agusan Del Norte (MTPO) | SGM | 00 + 85 + Telephone Number |
| SANTIAGO, Ilocos Sur - M. Miranda | STI | 00 + 77 + Telephone Number |
| SANTIAGO, Isabela - I.M. Aviles | SGZ | 00 + 78 + Telephone Number |
| SANTIAGO, Isabela (DIGITEL/RTDP) | STG | 00 + 78 + Telephone Number |
| SANTIAGO, Isabela (PT&T VODEX) | SAG | 00 + 78 + Telephone Number |
| SANTOL, La Union - A. Ragasa | SAU | 00 + 72 + Telephone Number |
| SAPANG DALAGA, Misamis Occ. (MTPO) | SDM | 00 + 88 + Telephone Number |
| SAPANG DALAGA, Misamis Occ. (PILTEL) | SND | 00 + 88 + Telephone Number |
| SAPIAN, Capiz - D.L. Salido | SPK | 00 + 36 + Telephone Number |
| SAPI-AN, Capiz (ISLACOM) | IAW | 00 + 36 + Telephone Number |
| SARA, Iloilo - E.B. Sonza TOBS | SRA | 00 + 33 + Telephone Number |
| SARA, Iloilo S12 | SRX | 00 + 33 + Telephone Number |
| SARA, Iloilo S12 TELETIPID | SRX | 00 + 33 + Telephone Number |
| SARIAYA, Quezon (GENTELS) | SYA | 00 + 42 + Telephone Number |
| SARIAYA, Quezon (NTP/DIGITEL) | SRY | 00 + 42 + Telephone Number |
| SARRAT , Ilocos N.(DIGITEL/RTDP) | SAR | 00 + 77 + Telephone Number |
| SASA PLDT Toll Booth | SSD | 00 + 82 + Telephone Number |
| SASA, Davao - C. Dizon | SSA | 00 + 82 + Telephone Number |
| SASA, Davao EWSD | SSR | 00 + 82 + Telephone Number |
| SASA, Davao EWSD TELETIPID | SSR | 00 + 82 + Telephone Number |
| SEBASTE, Antique - AC. T. Mapeso | SBS | 00 + 36 + Telephone Number |
| SEVILLA, Bohol - S. Caberte | SVL | 00 + 38 + Telephone Number |
| SFP - PLDT Toll Booth | SFT | 00 + 45 + Telephone Number |
| SFU - Alcco Realty Corp. | SUC | 00 + 72 + Telephone Number |
| SFU - E. Kaiser (Plaza Hotel) | SUK | 00 + 72 + Telephone Number |
| SFU - R. Nisce T/D 11/05/99 | SUN | 00 + 72 + Telephone Number |
| SFU PLDT Toll Booth | SUH | 00 + 72 + Telephone Number |
| SIATON, Negros Or. - R.T. Tan | SHN | 00 + 35 + Telephone Number |
| SIATON, Negros Or. (MTPO) | SIO | 00 + 35 + Telephone Number |
| SIAY, Zamboanga del Sur - A. Alcuitas | SIA | 00 + 62 + Telephone Number |
| SIAYAN, Zamboanga Del Norte (PILTEL) | SYS | 00 + 65 + Telephone Number |
| SIBALOM, Antique - M.G. Sentina | SBO | 00 + 36 + Telephone Number |
| SIBALOM, Antique (ISLACOM) | IIB | 00 + 36 + Telephone Number |
| SIBONGA, Cebu - RPPFI | SBA | 00 + 32 + Telephone Number |
| SIBONGA, Cebu (ISLACOM) | IIR | 00 + 32 + Telephone Number |
| SIBULAN, Negros Oriental (ISLACOM) | GSU | 00 + 35 + Telephone Number |
| SIBULAN, Negros Oriental (MTPO) | SBL | 00 + 35 + Telephone Number |
| SIBUTAD, Zamboanga Del Norte (PILTEL) | STU | 00 + 65 + Telephone Number |
| SIERRA BULLONES, Bohol - F. Quimson, Jr. | SBQ | 00 + 38 + Telephone Number |
| SIERRA BULLONES, Bohol - F.C.R.B. | SBU | 00 + 38 + Telephone Number |
| SIKATUNA, Bohol - N. Ahat T/D 12/15/99 | SKB | 00 + 38 + Telephone Number |
| SILANG PLDT Toll Booth | SIB | 00 + 46 + Telephone Number |
| SILANG, Cavite - D. De Castro | SLJ | 00 + 46 + Telephone Number |
| SILANG, Cavite (DIGITEL) | LSI | 00 + 46 + Telephone Number |
| SILANG, Cavite (GLOBE) | GSI | 00 + 46 + Telephone Number |
| SILANG, Cavite S12 | SIL | 00 + 46 + Telephone Number |
| SILANG, Cavite S12 TELETIPID | SIL | 00 + 46 + Telephone Number |
| SILAY - N. Jacinto | BCF | 00 + 34 + Telephone Number |
| SILAY PLDT Toll Booth | SLA | 00 + 34 + Telephone Number |
| SILAY, Neg, Occ. (ISLACOM) | ILX | 00 + 34 + Telephone Number |
| SILAY, Negros Occ. - D.C. Senomio Jr. | SDE | 00 + 34 + Telephone Number |
| SILAY, Negros Occ. (HPC) * | SLH | 00 + 3495 + Telephone Number |
| SILAY, Negros Occidental NEAX | SYC | 00 + 34 + Telephone Number |
| SILAY, Negros Occidental NEAX TELETIPID | SYC | 00 + 34 + Telephone Number |
| SINACABAN,. Misamis Occ. (MTPO) | SCB | 00 + 88 + Telephone Number |
| SINACABAN,. Misamis Occ. (PILTEL) | SKN | 00 + 88 + Telephone Number |
| SINAIT / CABUGAO, Ilocos S. (DIGITEL/RTDP) | CGO | 00 + 77 + Telephone Number |
| SINDANGAN 1, Zamboanga Del Norte (PILTEL) | SGN | 00 + 65 + Telephone Number |
| SINDANGAN 2, Zamboanga Del Norte (PILTEL) | SGQ | 00 + 65 + Telephone Number |
| SINDANGAN, Zam. del N. - J. Vallecer | SZN | 00 + 65 + Telephone Number |
| SINDANGAN, Zamboanga Del N. (CRUZTELCO) | SDN | 00 + 65 + Telephone Number |
| SINILOAN, Laguna - G. Mendoza | SNO | 00 + 49 + Telephone Number |
| SINILOAN, Laguna (CRUZTELCO) | SOI | 00 + 49 + Telephone Number |
| SINILOAN, Laguna (DIGITEL) | DSI | 00 + 49 + Telephone Number |
| SINILOAN, Laguna (PT&T) | SOA | 00 + 49 + Telephone Number |
| SIOCON, Zamboanga del Norte A. Brillantes | SOO | 00 + 65 + Telephone Number |
| SIPALAY, Negros Occ. - J.T. Montilla | SHY | 00 + 34 + Telephone Number |
| SIPOCOT, Camarines Sur (BAYANTEL) | ISO | 00 + 54 + Telephone Number |
| SIPOCOT, Camarines Sur (UNITEL) | SIR | 00 + 54 + Telephone Number |
| SIQUIJOR, Siquijor (ISLACOM) | IQR | 00 + 35 + Telephone Number |
| SIQUIJOR, Siquijor (MTPO) | SQQ | 00 + 35 + Telephone Number |
| SIQUIJOR, Siquijor (TMSI) | SSU | 00 + 35 + Telephone Number |
| SIRUMA, Camrines Sur (BAYANTEL) | IRU | 00 + 54 + Telephone Number |
| SISON, Pangasinan AXE | SSF | 00 + 75 + Telephone Number |
| SISON, Pangasinan - F. Ulangca | SSN | 00 + 75 + Telephone Number |
| SISON, Pangasinan (DIGITEL/RTDP) | SSV | 00 + 75 + Telephone Number |
| SISON, Surigoa del Norte - L. PANTILO | SSS | 00 + 86 + Telephone Number |
| SO. CEBU NEAX | CBS | 00 + 32 + Telephone Number |
| SO. CEBU NEAX TELETIPID | CBS | 00 + 32 + Telephone Number |
| SOCORRO, Mindoro Or. (DIGITEL) | SRR | 00 + 43 + Telephone Number |
| SOCORRO, Mindoro Or. (GLOBE) | SRQ | 00 + 43 + Telephone Number |
| SOCORRO, Mindoro Oriental - A. Larracas | SOR | 00 + 43 + Telephone Number |
| SOGO, So. Leyte - M.A. Garcia | SDL | 00 + 53 + Telephone Number |
| SOGOD, Cebu - RPPFI | SOG | 00 + 32 + Telephone Number |
| SOGOD, Cebu (ISLACOM) | IGS | 00 + 32 + Telephone Number |
| SOGOD, So. Leyte (EVTELCO) | ESD | 00 + 53 + Telephone Number |
| SOLANA / ENRILE, Cagayan (DIGITEL/RTDP) | SOL | 00 + 78 + Telephone Number |
| SOLANO / QUEZON,N. Viscaya(DIGITEL/RTDP) | SLN | 00 + 78 + Telephone Number |
| SOLSONA / DINGRAS / MARCOS. Ilocos Norte (DIGITEL/RTDP) | DRS | 00 + 77 + Telephone Number |
| SORSOGON, Sorsogon - N. Pelaez | SSP | 00 + 56 + Telephone Number |
| SORSOGON, Sorsogon (BAYANTEL) | ISX | 00 + 56 + Telephone Number |
| SORSOGON, Sorsogon (NTP/DIGITEL) | SOQ | 00 + 56 + Telephone Number |
| SORSOGON, Sorsogon (PT&T VODEX) | SOZ | 00 + 56 + Telephone Number |
| SOUTH MARIKINA EWSD | MRD | 00 + 2 + Telephone Number |
| SOUTH MARIKINA EWSD - TELETIPID | MRD | 00 + 2 + Telephone Number |
| SOUTH UPI, Maguindanao - MTPO | SPI | 00 + 64 + Telephone Number |
| STA. ANA, Cagayan (DIGITEL) | SYG | 00 + 78 + Telephone Number |
| STA. ANA, Pampanga AXE | SPT | 00 + 45 + Telephone Number |
| STA. ANA, Pampanga (DIGITEL) | SPN | 00 + 45 + Telephone Number |
| STA. BARBARA, Iloilo - B.E. Magallanes | BSV | 00 + 33 + Telephone Number |
| STA. BARBARA, Iloilo (ISLACOM) | IBR | 00 + 33 + Telephone Number |
| STA. BARBARA, Pangasinan - M. Soliven | STB | 00 + 75 + Telephone Number |
| STA. BARBARA, Pangasinan AXE | SBB | 00 + 75 + Telephone Number |
| STA. BARBARA, Pangasinan (DIGITEL) | SBX | 00 + 75 + Telephone Number |
| STA. CATALINA, Ilocos Sur (RTDP/DIGITEL) | DCI | 00 + 77 + Telephone Number |
| STA. CATALINA, Negros Or. (MTPO) | SCT | 00 + 35 + Telephone Number |
| STA. CRUZ / LUMBAN / PAGSANJAN S12 | SXL | 00 + 49 + Telephone Number |
| STA. CRUZ PLDT Toll Booth | SXA | 00 + 49 + Telephone Number |
| STA. CRUZ, Davao Del Sur - J. Castro | DVF | 00 + 82 + Telephone Number |
| STA. CRUZ, Davao Del Sur (DOTC/NTP) | SCU | 00 + 82 + Telephone Number |
| STA. CRUZ, Davao Del Sur (PILTEL) | STA | 00 + 82 + Telephone Number |
| STA. CRUZ, Laguna - E. Cantos | SCL | 00 + 49 + Telephone Number |
| STA. CRUZ, Laguna (DIGITEL) | DSC | 00 + 49 + Telephone Number |
| STA. CRUZ, Laguna (PT&T) | CRU | 00 + 49 + Telephone Number |
| STA. CRUZ, Marinduque - PILTEL | SCQ | 00 + 42 + Telephone Number |
| STA. CRUZ, Marinduque (NTP/DIGITEL) | SCM | 00 + 42 + Telephone Number |
| STA. CRUZ, Marinduque (PT&T VODEX) | SPV | 00 + 42 + Telephone Number |
| STA. CRUZ, Zambales (NTP/DIGITEL) | SZZ | 00 + 47 + Telephone Number |
| STA. CRUZ/LUMBAN/PAGSANJAN S12 TELETIPID | SXL | 00 + 49 + Telephone Number |
| STA. ELENA, Camarines Norte (SANTELCOR) | SEG | 00 + 54 + Telephone Number |
| STA. ELENA, Camrines Norte (BAYANTEL) | IEL | 00 + 54 + Telephone Number |
| STA. FE, Cebu - RPPFI | SAF | 00 + 32 + Telephone Number |
| STA. FE, Cebu (ISLACOM) | ITH | 00 + 32 + Telephone Number |
| STA. FE, Leyte (ISLACOM) | IFE | 00 + 53 + Telephone Number |
| STA. IGNACIA, Tarlac AXE | SID | 00 + 45 + Telephone Number |
| STA. IGNACIA, Tarlac - B. M. Jamias | SIT | 00 + 45 + Telephone Number |
| STA. IGNACIA, Tarlac (DIGITEL) | DWS | 00 + 45 + Telephone Number |
| STA. LUCIA / CANDON / GALMUYOD, Ilocos Sur (DIGITEL/RTDP) | CND | 00 + 77 + Telephone Number |
| STA. MARIA / NARVACAN (DIGITEL/RTDP) | STM | 00 + 77 + Telephone Number |
| STA. MARIA, Bulacan AXE | SBH | 00 + 44 + Telephone Number |
| STA. MARIA, Bulacan (NTP/DIGITEL) | SRI | 00 + 44 + Telephone Number |
| STA. MARIA, Bulacan (RACITELCOM) | SMR | 00 + 44 + Telephone Number |
| STA. MARIA, Bulacan (RACITELCOM) * | SMR | 00 + 4465 + Telephone Number |
| STA. MARIA, Davao Del Sur (PILTEL) | STE | 00 + 82 + Telephone Number |
| STA. MARIA, Laguna - N. Real | STL | 00 + 49 + Telephone Number |
| STA. MARIA, Laguna (PT&T) | SMH | 00 + 49 + Telephone Number |
| STA. MARIA, Pangasinan (DIGITEL/RTDP) | TAY | 00 + 75 + Telephone Number |
| STA. MESA NEAX | SSX | 00 + 2 + Telephone Number |
| STA. MESA NEAX - TELETIPID | SSX | 00 + 2 + Telephone Number |
| STA. RITA, Pampanga - B. Canlas | SRB | 00 + 45 + Telephone Number |
| STA. ROSA, Laguna - S. Zafe TOBS | SLT | 00 + 49 + Telephone Number |
| STA. ROSA, Laguna (DIGITEL) | DSR | 00 + 49 + Telephone Number |
| STA. ROSA, Laguna (PT&T) | TDH | 00 + 49 + Telephone Number |
| STA. ROSA, Laguna RSU | SRO | 00 + 49 + Telephone Number |
| STA. ROSA, Laguna RSU TELETIPID | SRO | 00 + 49 + Telephone Number |
| STA. ROSA, Nueva Ecija AXE | SRS | 00 + 44 + Telephone Number |
| STA. ROSA, Nueva Ecija (NTP/DIGITEL) | SRN | 00 + 44 + Telephone Number |
| STO. DOMINGO / SAN ILDEFONSO, Ilocos Sur (DIGITEL/RTDP) | STT | 00 + 77 + Telephone Number |
| STO. DOMINGO, Albay (BAYANTEL) | ISD | 00 + 52 + Telephone Number |
| STO. DOMINGO, N. E. - L.M. Hipolito | DNE | 00 + 44 + Telephone Number |
| STO. NIŅO, So. Cotabato (PILTEL) | STO | 00 + 83 + Telephone Number |
| STO. TOMAS, Batangas (DIGITEL) | SOB | 00 + 43 + Telephone Number |
| STO. TOMAS, Batangas (GLOBE) | GSP | 00 + 43 + Telephone Number |
| STO. TOMAS, Compostela Valley (DOTC/CPMO) | STV | 00 + 84 + Telephone Number |
| STO. TOMAS, Davao del N.-D.S. Romano | STD | 00 + 84 + Telephone Number |
| STO. TOMAS, Davao Del Norte (PHILCOM) | MSX | 00 + 84 + Telephone Number |
| STO. TOMAS, Pampanga (DIGITEL) | PTS | 00 + 45 + Telephone Number |
| STO. TOMAS, Pangasinan (DIGITEL/RTDP) | SOP | 00 + 75 + Telephone Number |
| SUAL, Pangasinan AXE | SUQ | 00 + 75 + Telephone Number |
| SUAL, Pangasinan (DIGITEL/RTDP) | SLP | 00 + 75 + Telephone Number |
| SUBIC, Zambales (SUBIC TELECOM) | SUF | 00 + 47 + Telephone Number |
| SUBIC, Zambales RTS NORTEL (PILTEL) | SUP | 00 + 47 + Telephone Number |
| SUDIPEN, La Union - A.B. Baguitay | SDP | 00 + 72 + Telephone Number |
| SULOP, Davao Del Sur (PILTEL) | SUO | 00 + 82 + Telephone Number |
| SULTAN KUDARAT, Maguindanao (GLOBE) | GSK | 00 + 64 + Telephone Number |
| SULTAN KUDARAT, Maguindanao - MTPO | SKD | 00 + 64 + Telephone Number |
| SULTAN KUDARAT, Maguindanao S12 | SKU | 00 + 64 + Telephone Number |
| SULTAN KUDARAT, Maguindanao S12 TELETIPID | SKU | 00 + 64 + Telephone Number |
| SULTAN SA BARONGIS, Maguindanao - MTPO | SSB | 00 + 64 + Telephone Number |
| SURALLAH 1, South Cotabato (PILTEL) | SUR | 00 + 83 + Telephone Number |
| SURALLAH 2, South Cotabato (PILTEL) | SRL | 00 + 83 + Telephone Number |
| SURALLAH, South Cotabato (MTSI) | MSA | 00 + 83 + Telephone Number |
| SURIGAO CITY, Surigao - L. Castro | SRG | 00 + 86 + Telephone Number |
| SURIGAO, Surigao (CRUZTELCO) | SGC | 00 + 86 + Telephone Number |
| SURIGAO, Surigao Del Norte (DOTC/CPMO) | SUS | 00 + 86 + Telephone Number |
| SURIGAO, Surigao Del Norte (PHILCOM) | MJS | 00 + 86 + Telephone Number |
| SURIGAO, Surigao Del Norte (PT&T VODEX) | SGO | 00 + 86 + Telephone Number |
| SUTERVILLE, Zamboanga - J.J. Uy | SUV | 00 + 62 + Telephone Number |