Area Code +63-78-(8440000...8449999) located in Tuguegarao, Cagayan (CAG), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 8440000 Subscriber Number To : 8449999 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 : CAG Region Name : Cagayan City : Tuguegarao Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.6100 Longitude : 121.7300 ‹ previous : +63-78-(8385000...8385999) next › : +63-78-(8450000...8459999) Dialling Instructions For trunk calls: 0 78 8440000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8440000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8440000 ~ 8449999 (Count: 10,000) Example: +63-78-8440000 / 0063-78-8440000 (078-8440000 / 0-78-8440000) +63-78-8440001 / 0063-78-8440001 (078-8440001 / 0-78-8440001) +63-78-8440002 / 0063-78-8440002 (078-8440002 / 0-78-8440002) +63-78-8440003 / 0063-78-8440003 (078-8440003 / 0-78-8440003) +63-78-8440004 / 0063-78-8440004 (078-8440004 / 0-78-8440004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8449995 / 0063-78-8449995 (078-8449995 / 0-78-8449995) +63-78-8449996 / 0063-78-8449996 (078-8449996 / 0-78-8449996) +63-78-8449997 / 0063-78-8449997 (078-8449997 / 0-78-8449997) +63-78-8449998 / 0063-78-8449998 (078-8449998 / 0-78-8449998) +63-78-8449999 / 0063-78-8449999 (078-8449999 / 0-78-8449999)