Area Code +63-78-(8385000...8385999) 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 : 8385000 Subscriber Number To : 8385999 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-(8382000...8382999) next › : +63-78-(8440000...8449999) Dialling Instructions For trunk calls: 0 78 8385000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8385000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8385000 ~ 8385999 (Count: 1,000) Example: +63-78-8385000 / 0063-78-8385000 (078-8385000 / 0-78-8385000) +63-78-8385001 / 0063-78-8385001 (078-8385001 / 0-78-8385001) +63-78-8385002 / 0063-78-8385002 (078-8385002 / 0-78-8385002) +63-78-8385003 / 0063-78-8385003 (078-8385003 / 0-78-8385003) +63-78-8385004 / 0063-78-8385004 (078-8385004 / 0-78-8385004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8385995 / 0063-78-8385995 (078-8385995 / 0-78-8385995) +63-78-8385996 / 0063-78-8385996 (078-8385996 / 0-78-8385996) +63-78-8385997 / 0063-78-8385997 (078-8385997 / 0-78-8385997) +63-78-8385998 / 0063-78-8385998 (078-8385998 / 0-78-8385998) +63-78-8385999 / 0063-78-8385999 (078-8385999 / 0-78-8385999)