Area Code +63-55-(8370000...8379999) located in Catbalogan City, Western Samar (WSA), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 55 Subscriber Number From : 8370000 Subscriber Number To : 8379999 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 : WSA Region Name : Western Samar City : Catbalogan City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 11.7800 Longitude : 124.8800 ‹ previous : +63-55-(8320000...8329999) next › : +63-55-(8420000...8429999) Dialling Instructions For trunk calls: 0 55 8370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 55 8370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8370000 ~ 8379999 (Count: 10,000) Example: +63-55-8370000 / 0063-55-8370000 (055-8370000 / 0-55-8370000) +63-55-8370001 / 0063-55-8370001 (055-8370001 / 0-55-8370001) +63-55-8370002 / 0063-55-8370002 (055-8370002 / 0-55-8370002) +63-55-8370003 / 0063-55-8370003 (055-8370003 / 0-55-8370003) +63-55-8370004 / 0063-55-8370004 (055-8370004 / 0-55-8370004) ...+63-55-xxxxxxx / 0063-55-xxxxxxx (055-xxxxxxx / 0-55-xxxxxxx) ...+63-55-8379995 / 0063-55-8379995 (055-8379995 / 0-55-8379995) +63-55-8379996 / 0063-55-8379996 (055-8379996 / 0-55-8379996) +63-55-8379997 / 0063-55-8379997 (055-8379997 / 0-55-8379997) +63-55-8379998 / 0063-55-8379998 (055-8379998 / 0-55-8379998) +63-55-8379999 / 0063-55-8379999 (055-8379999 / 0-55-8379999)