Area Code +63-54-(2310000...2319999) located in Libmanan, Camarines Sur (CAS), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 54 Subscriber Number From : 2310000 Subscriber Number To : 2319999 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 : CAS Region Name : Camarines Sur City : Libmanan Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 13.7000 Longitude : 123.0700 ‹ previous : +63-54-(2300000...2309999) next › : +63-54-(2320000...2329999) Dialling Instructions For trunk calls: 0 54 2310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 54 2310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2310000 ~ 2319999 (Count: 10,000) Example: +63-54-2310000 / 0063-54-2310000 (054-2310000 / 0-54-2310000) +63-54-2310001 / 0063-54-2310001 (054-2310001 / 0-54-2310001) +63-54-2310002 / 0063-54-2310002 (054-2310002 / 0-54-2310002) +63-54-2310003 / 0063-54-2310003 (054-2310003 / 0-54-2310003) +63-54-2310004 / 0063-54-2310004 (054-2310004 / 0-54-2310004) ...+63-54-xxxxxxx / 0063-54-xxxxxxx (054-xxxxxxx / 0-54-xxxxxxx) ...+63-54-2319995 / 0063-54-2319995 (054-2319995 / 0-54-2319995) +63-54-2319996 / 0063-54-2319996 (054-2319996 / 0-54-2319996) +63-54-2319997 / 0063-54-2319997 (054-2319997 / 0-54-2319997) +63-54-2319998 / 0063-54-2319998 (054-2319998 / 0-54-2319998) +63-54-2319999 / 0063-54-2319999 (054-2319999 / 0-54-2319999)