Area Code +63-64-(2020000...2029999) located in Isulan, Sultan Kudarat (SUK), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 64 Subscriber Number From : 2020000 Subscriber Number To : 2029999 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 : Sultan Kudarat Telephone Service Inc (SKTSI) Click here to buy Philippines Area Code Database Other Information Language Code : en (English) Country Number : 608 (Philippines) Country Code : PH (Philippines) Region Code : SUK Region Name : Sultan Kudarat City : Isulan Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 6.6300 Longitude : 124.6000 ‹ previous : +63-64-(2010000...2019999) next › : +63-64-(2046000...2046999) Dialling Instructions For trunk calls: 0 64 2020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 64 2020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2020000 ~ 2029999 (Count: 10,000) Example: +63-64-2020000 / 0063-64-2020000 (064-2020000 / 0-64-2020000) +63-64-2020001 / 0063-64-2020001 (064-2020001 / 0-64-2020001) +63-64-2020002 / 0063-64-2020002 (064-2020002 / 0-64-2020002) +63-64-2020003 / 0063-64-2020003 (064-2020003 / 0-64-2020003) +63-64-2020004 / 0063-64-2020004 (064-2020004 / 0-64-2020004) ...+63-64-xxxxxxx / 0063-64-xxxxxxx (064-xxxxxxx / 0-64-xxxxxxx) ...+63-64-2029995 / 0063-64-2029995 (064-2029995 / 0-64-2029995) +63-64-2029996 / 0063-64-2029996 (064-2029996 / 0-64-2029996) +63-64-2029997 / 0063-64-2029997 (064-2029997 / 0-64-2029997) +63-64-2029998 / 0063-64-2029998 (064-2029998 / 0-64-2029998) +63-64-2029999 / 0063-64-2029999 (064-2029999 / 0-64-2029999)