Area Code +63-78-(2600000...2609999) 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 : 2600000 Subscriber Number To : 2609999 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 : Innove Communications Inc 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-(2596000...2596999) next › : +63-78-(2610000...2619999) Dialling Instructions For trunk calls: 0 78 2600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 2600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2600000 ~ 2609999 (Count: 10,000) Example: +63-78-2600000 / 0063-78-2600000 (078-2600000 / 0-78-2600000) +63-78-2600001 / 0063-78-2600001 (078-2600001 / 0-78-2600001) +63-78-2600002 / 0063-78-2600002 (078-2600002 / 0-78-2600002) +63-78-2600003 / 0063-78-2600003 (078-2600003 / 0-78-2600003) +63-78-2600004 / 0063-78-2600004 (078-2600004 / 0-78-2600004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-2609995 / 0063-78-2609995 (078-2609995 / 0-78-2609995) +63-78-2609996 / 0063-78-2609996 (078-2609996 / 0-78-2609996) +63-78-2609997 / 0063-78-2609997 (078-2609997 / 0-78-2609997) +63-78-2609998 / 0063-78-2609998 (078-2609998 / 0-78-2609998) +63-78-2609999 / 0063-78-2609999 (078-2609999 / 0-78-2609999)