Area Code +63-77-(7225100...7225199) located in Santa Catalina, Ilocos Sur (ILS), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 77 Subscriber Number From : 7225100 Subscriber Number To : 7225199 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Philippine Long Distance Telephone Company (PLDT) Click here to buy Philippines Area Code Database Other Information Language Code : en (English) Country Number : 608 (Philippines) Country Code : PH (Philippines) Region Code : ILS Region Name : Ilocos Sur City : Santa Catalina Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.5900 Longitude : 120.3600 ‹ previous : +63-77-(7225000...7225099) next › : +63-77-(7225200...7225299) Dialling Instructions For trunk calls: 0 77 7225100 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 7225100 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7225100 ~ 7225199 (Count: 100) Example: +63-77-7225100 / 0063-77-7225100 (077-7225100 / 0-77-7225100) +63-77-7225101 / 0063-77-7225101 (077-7225101 / 0-77-7225101) +63-77-7225102 / 0063-77-7225102 (077-7225102 / 0-77-7225102) +63-77-7225103 / 0063-77-7225103 (077-7225103 / 0-77-7225103) +63-77-7225104 / 0063-77-7225104 (077-7225104 / 0-77-7225104) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-7225195 / 0063-77-7225195 (077-7225195 / 0-77-7225195) +63-77-7225196 / 0063-77-7225196 (077-7225196 / 0-77-7225196) +63-77-7225197 / 0063-77-7225197 (077-7225197 / 0-77-7225197) +63-77-7225198 / 0063-77-7225198 (077-7225198 / 0-77-7225198) +63-77-7225199 / 0063-77-7225199 (077-7225199 / 0-77-7225199)