Area Code +63-77-(7225400...7225499) 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 : 7225400 Subscriber Number To : 7225499 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-(7225300...7225399) next › : +63-77-(7225500...7225599) Dialling Instructions For trunk calls: 0 77 7225400 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 7225400 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 7225400 ~ 7225499 (Count: 100) Example: +63-77-7225400 / 0063-77-7225400 (077-7225400 / 0-77-7225400) +63-77-7225401 / 0063-77-7225401 (077-7225401 / 0-77-7225401) +63-77-7225402 / 0063-77-7225402 (077-7225402 / 0-77-7225402) +63-77-7225403 / 0063-77-7225403 (077-7225403 / 0-77-7225403) +63-77-7225404 / 0063-77-7225404 (077-7225404 / 0-77-7225404) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-7225495 / 0063-77-7225495 (077-7225495 / 0-77-7225495) +63-77-7225496 / 0063-77-7225496 (077-7225496 / 0-77-7225496) +63-77-7225497 / 0063-77-7225497 (077-7225497 / 0-77-7225497) +63-77-7225498 / 0063-77-7225498 (077-7225498 / 0-77-7225498) +63-77-7225499 / 0063-77-7225499 (077-7225499 / 0-77-7225499)