Area Code +63-83-(5100000...5199999) located in Koronadal City, South Cotabato (SCO), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 83 Subscriber Number From : 5100000 Subscriber Number To : 5199999 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 : SCO Region Name : South Cotabato City : Koronadal City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 6.5000 Longitude : 124.8500 ‹ previous : +63-83-(5094000...5099999) next › : +63-83-(5200000...5209999) Dialling Instructions For trunk calls: 0 83 5100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 83 5100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5100000 ~ 5199999 (Count: 100,000) Example: +63-83-5100000 / 0063-83-5100000 (083-5100000 / 0-83-5100000) +63-83-5100001 / 0063-83-5100001 (083-5100001 / 0-83-5100001) +63-83-5100002 / 0063-83-5100002 (083-5100002 / 0-83-5100002) +63-83-5100003 / 0063-83-5100003 (083-5100003 / 0-83-5100003) +63-83-5100004 / 0063-83-5100004 (083-5100004 / 0-83-5100004) ...+63-83-xxxxxxx / 0063-83-xxxxxxx (083-xxxxxxx / 0-83-xxxxxxx) ...+63-83-5199995 / 0063-83-5199995 (083-5199995 / 0-83-5199995) +63-83-5199996 / 0063-83-5199996 (083-5199996 / 0-83-5199996) +63-83-5199997 / 0063-83-5199997 (083-5199997 / 0-83-5199997) +63-83-5199998 / 0063-83-5199998 (083-5199998 / 0-83-5199998) +63-83-5199999 / 0063-83-5199999 (083-5199999 / 0-83-5199999)