Area Code +63-83-(3710000...3719999) 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 : 3710000 Subscriber Number To : 3719999 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 : Bayan Telecommunications (BayanTel) 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-(3700000...3709999) next › : +63-83-(3720000...3729999) Dialling Instructions For trunk calls: 0 83 3710000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 83 3710000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3710000 ~ 3719999 (Count: 10,000) Example: +63-83-3710000 / 0063-83-3710000 (083-3710000 / 0-83-3710000) +63-83-3710001 / 0063-83-3710001 (083-3710001 / 0-83-3710001) +63-83-3710002 / 0063-83-3710002 (083-3710002 / 0-83-3710002) +63-83-3710003 / 0063-83-3710003 (083-3710003 / 0-83-3710003) +63-83-3710004 / 0063-83-3710004 (083-3710004 / 0-83-3710004) ...+63-83-xxxxxxx / 0063-83-xxxxxxx (083-xxxxxxx / 0-83-xxxxxxx) ...+63-83-3719995 / 0063-83-3719995 (083-3719995 / 0-83-3719995) +63-83-3719996 / 0063-83-3719996 (083-3719996 / 0-83-3719996) +63-83-3719997 / 0063-83-3719997 (083-3719997 / 0-83-3719997) +63-83-3719998 / 0063-83-3719998 (083-3719998 / 0-83-3719998) +63-83-3719999 / 0063-83-3719999 (083-3719999 / 0-83-3719999)