Area Code +63-83-(2391000...2391999) 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 : 2391000 Subscriber Number To : 2391999 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 : Marbel Telephone System Inc (MTSI) 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-(2380000...2389999) next › : +63-83-(2392000...2392999) Dialling Instructions For trunk calls: 0 83 2391000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 83 2391000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2391000 ~ 2391999 (Count: 1,000) Example: +63-83-2391000 / 0063-83-2391000 (083-2391000 / 0-83-2391000) +63-83-2391001 / 0063-83-2391001 (083-2391001 / 0-83-2391001) +63-83-2391002 / 0063-83-2391002 (083-2391002 / 0-83-2391002) +63-83-2391003 / 0063-83-2391003 (083-2391003 / 0-83-2391003) +63-83-2391004 / 0063-83-2391004 (083-2391004 / 0-83-2391004) ...+63-83-xxxxxxx / 0063-83-xxxxxxx (083-xxxxxxx / 0-83-xxxxxxx) ...+63-83-2391995 / 0063-83-2391995 (083-2391995 / 0-83-2391995) +63-83-2391996 / 0063-83-2391996 (083-2391996 / 0-83-2391996) +63-83-2391997 / 0063-83-2391997 (083-2391997 / 0-83-2391997) +63-83-2391998 / 0063-83-2391998 (083-2391998 / 0-83-2391998) +63-83-2391999 / 0063-83-2391999 (083-2391999 / 0-83-2391999)