Area Code +63-77-(2530000...2539999) 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 : 2530000 Subscriber Number To : 2539999 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 : Innove Communications Inc 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-(2520000...2529999) next › : +63-77-(2540000...2549999) Dialling Instructions For trunk calls: 0 77 2530000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 77 2530000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2530000 ~ 2539999 (Count: 10,000) Example: +63-77-2530000 / 0063-77-2530000 (077-2530000 / 0-77-2530000) +63-77-2530001 / 0063-77-2530001 (077-2530001 / 0-77-2530001) +63-77-2530002 / 0063-77-2530002 (077-2530002 / 0-77-2530002) +63-77-2530003 / 0063-77-2530003 (077-2530003 / 0-77-2530003) +63-77-2530004 / 0063-77-2530004 (077-2530004 / 0-77-2530004) ...+63-77-xxxxxxx / 0063-77-xxxxxxx (077-xxxxxxx / 0-77-xxxxxxx) ...+63-77-2539995 / 0063-77-2539995 (077-2539995 / 0-77-2539995) +63-77-2539996 / 0063-77-2539996 (077-2539996 / 0-77-2539996) +63-77-2539997 / 0063-77-2539997 (077-2539997 / 0-77-2539997) +63-77-2539998 / 0063-77-2539998 (077-2539998 / 0-77-2539998) +63-77-2539999 / 0063-77-2539999 (077-2539999 / 0-77-2539999)