Area Code +63-62-(8603000...8603999) located in Naga, Zamboanga Sibugay (ZSI), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 62 Subscriber Number From : 8603000 Subscriber Number To : 8603999 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 : ZSI Region Name : Zamboanga Sibugay City : Naga Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 7.8100 Longitude : 122.7000 ‹ previous : +63-62-(8602000...8602999) next › : +63-62-(8604000...8604999) Dialling Instructions For trunk calls: 0 62 8603000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 62 8603000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8603000 ~ 8603999 (Count: 1,000) Example: +63-62-8603000 / 0063-62-8603000 (062-8603000 / 0-62-8603000) +63-62-8603001 / 0063-62-8603001 (062-8603001 / 0-62-8603001) +63-62-8603002 / 0063-62-8603002 (062-8603002 / 0-62-8603002) +63-62-8603003 / 0063-62-8603003 (062-8603003 / 0-62-8603003) +63-62-8603004 / 0063-62-8603004 (062-8603004 / 0-62-8603004) ...+63-62-xxxxxxx / 0063-62-xxxxxxx (062-xxxxxxx / 0-62-xxxxxxx) ...+63-62-8603995 / 0063-62-8603995 (062-8603995 / 0-62-8603995) +63-62-8603996 / 0063-62-8603996 (062-8603996 / 0-62-8603996) +63-62-8603997 / 0063-62-8603997 (062-8603997 / 0-62-8603997) +63-62-8603998 / 0063-62-8603998 (062-8603998 / 0-62-8603998) +63-62-8603999 / 0063-62-8603999 (062-8603999 / 0-62-8603999)