IBA, Zambales AXE	IAZ	00 + 47 + Telephone Number
IBA, Zambales (NTP/DIGITEL)	IBA	00 + 47 + Telephone Number
IBAAN, Batangas (NTP/DIGITEL)	IBT	00 + 43 + Telephone Number
IBAJAY, Aklan - J. Salido	IBJ	00 + 36 + Telephone Number
IBAJAY, Aklan (ISLACOM)	IJJ	00 + 36 + Telephone Number
IGBARAS, Iloilo - L.G. Gegantoni	IGQ	00 + 33 + Telephone Number
IGBARAS, Iloilo (ISLACOM)	IAV	00 + 33 + Telephone Number
ILAGAN, Isabela (DIGITEL/RTDP)	ILB	00 + 78 + Telephone Number
ILAGAN, Isabela (PT&T VODEX)	IAG	00 + 78 + Telephone Number
ILAGAN, Isabela NEAX	ILA	00 + 78 + Telephone Number
ILAGAN, Isabela NEAX TELETIPID	ILA	00 + 78 + Telephone Number
ILIGAN, Lanao Del Norte (CPMO)	ILC	00 + 63 + Telephone Number
ILIGAN, Lanao Del Norte (GLOBE)	IGG	00 + 63 + Telephone Number
ILIGAN, Lanao Del Norte (MARANAOTEL)	ILI	00 + 63 + Telephone Number
ILIGAN, Lanao Del Norte (PT&T VODEX)	IIG	00 + 63 + Telephone Number
ILOG, Negros Occ. - M.G. Vargas	ILD	00 + 34 + Telephone Number
ILOILO (LBNI)	LBX	00 + 33 969 + Telephone Number
ILOILO - E. Arroyo	ILR	00 + 33 + Telephone Number
ILOILO - L. Jardeleza	ILJ	00 + 33 + Telephone Number
ILOILO - W. Bayani	IAT	00 + 33 + Telephone Number
ILOILO (ISLACOM)	ICZ	00 + 33 + Telephone Number
ILOILO (PT&T VODEX)	IIL	00 + 33 + Telephone Number
ILOILO NEAX	ILL	00 + 33 + Telephone Number
ILOILO NEAX TELETIPID	ILL	00 + 33 + Telephone Number
ILOILO PLDT Toll Booth	ILT	00 + 33 + Telephone Number
IMELDA, Zamboanga Del Sur - D.R. Sarabia TOBS	IME	00 + 62 + Telephone Number
IMUS, Cavite (DIGITEL)	DIC	00 + 46 + Telephone Number
IMUS, Cavite (GLOBE)	GIP	00 + 46 + Telephone Number
IMUS, Cavite EWSD	IMU	00 + 46 + Telephone Number
IMUS, Cavite EWSD TELETIPID	IMU	00 + 46 + Telephone Number
INABANGA, Bohol - F. Muñeses	INB	00 + 38 + Telephone Number
INABANGA, Bohol (ISLACOM)	IHB	00 + 38 + Telephone Number
INDANG, Cavite (DIGITEL)	INN	00 + 46 + Telephone Number
INDANG, Cavite (GLOBE)	GIO	00 + 46 + Telephone Number
INDANG, Cavite S12	IDN	00 + 46 + Telephone Number
INDANG, Cavite S12 TELETIPID	IDN	00 + 46 + Telephone Number
INFANTA, Pangasinan - L. Liceralde	IFN	00 + 75 + Telephone Number
INFANTA, Pangasinan (DIGITEL)	INF	00 + 75 + Telephone Number
INFANTA, Quezon - L. Dolina	IFQ	00 + 42 + Telephone Number
INFANTA, Quezon (GENTELS)	IFG	00 + 42 + Telephone Number
INFOCOM COMM. NETWORK INC. (NEXTEL)	IFC	00 + 979 + Telephone Number
INFOCOM PAGING	INM	00 + 2 + Telephone Number
INOPACAN, Leyte (ISLACOM)	IIP	00 + 53 + Telephone Number
IPIL, Zamboanga del Sur (IPILTEL)	ITC	00 + 62 + Telephone Number
IPIL, Zamboanga del Sur (PT&T VODEX)	IPI	00 + 62 + Telephone Number
IRIGA, Cam. Sur (BAYANTEL)	ICI	00 + 54 + Telephone Number
IRIGA, Cam. Sur (IRIGA TEL. CO.)	IRI	00 + 54 + Telephone Number
IRIGA, Camarines Sur (NTP/DIGITEL)	IRG	00 + 54 + Telephone Number
IRIGA, Camarines Sur (PT&T VODEX)	ICS	00 + 54 + Telephone Number
IROSIN, Sorsogon - N.G. Balmes	IRO	00 + 56 + Telephone Number
ISABEL, Leyte - L.D. Santiago	IYE	00 + 53 + Telephone Number
ISABEL, Leyte - PASARC	ISB	00 + 53 + Telephone Number
ISABEL, Leyte (EVTELCO)	ESB	00 + 53 + Telephone Number
ISABEL, Leyte (ISLACOM)	IBQ	00 + 53 + Telephone Number
ISABELA, Basilan (PROVTEL)	IBL	00 + 62 + Telephone Number
ISABELA, Basilan (PT&T VODEX)	IHV	00 + 62 + Telephone Number
ISABELA, Negros Occ. (RCYTEL)	IBE	00 + 34 + Telephone Number
ISULAN, Sultan Kudarat (DOTC/CPMO)	IKD	00 + 64 + Telephone Number
ISULAN, Sultan Kudarat (GLOBE)	GIS	00 + 64 + Telephone Number
ISULAN, Sultan Kudarat (PT&T VODEX)	PVI	00 + 64 + Telephone Number
ISULAN, Sultan Kudarat S12	ISM	00 + 64 + Telephone Number
ISULAN, Sultan Kudarat S12 TELETIPID	ISM	00 + 64 + Telephone Number
ISULAN, Sultan Kudarat (SKTSI)	ISK	00 + 64 + Telephone Number
ITBAYAT IS., Batanes - IFDCI	IYT	00 + 78 + Telephone Number
ITOGON, Benguet AXE	IGV	00 + 74 + Telephone Number
IVANA, Batanes - IFDCI	IVA	00 + 78 + Telephone Number
IVISAN, Capiz - R.R. Pisueña	IVS	00 + 36 + Telephone Number
IVISAN, Capiz (ISLACOM)	IUZ	00 + 36 + Telephone Number