Area Code +63-78-(6345000...6345999) located in Cauayan City, Isabela (ISA), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 6345000 Subscriber Number To : 6345999 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 : ISA Region Name : Isabela City : Cauayan City Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.9300 Longitude : 121.7700 ‹ previous : +63-78-(6324000...6324999) next › : +63-78-(6363000...6363999) Dialling Instructions For trunk calls: 0 78 6345000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 6345000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6345000 ~ 6345999 (Count: 1,000) Example: +63-78-6345000 / 0063-78-6345000 (078-6345000 / 0-78-6345000) +63-78-6345001 / 0063-78-6345001 (078-6345001 / 0-78-6345001) +63-78-6345002 / 0063-78-6345002 (078-6345002 / 0-78-6345002) +63-78-6345003 / 0063-78-6345003 (078-6345003 / 0-78-6345003) +63-78-6345004 / 0063-78-6345004 (078-6345004 / 0-78-6345004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-6345995 / 0063-78-6345995 (078-6345995 / 0-78-6345995) +63-78-6345996 / 0063-78-6345996 (078-6345996 / 0-78-6345996) +63-78-6345997 / 0063-78-6345997 (078-6345997 / 0-78-6345997) +63-78-6345998 / 0063-78-6345998 (078-6345998 / 0-78-6345998) +63-78-6345999 / 0063-78-6345999 (078-6345999 / 0-78-6345999)