Area Code +63-78-(3720000...3729999) located in Aparri, 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 : 3720000 Subscriber Number To : 3729999 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 : Aparri Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 18.3600 Longitude : 121.6400 ‹ previous : +63-78-(3660000...3669999) next › : +63-78-(3730000...3739999) Dialling Instructions For trunk calls: 0 78 3720000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 3720000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3720000 ~ 3729999 (Count: 10,000) Example: +63-78-3720000 / 0063-78-3720000 (078-3720000 / 0-78-3720000) +63-78-3720001 / 0063-78-3720001 (078-3720001 / 0-78-3720001) +63-78-3720002 / 0063-78-3720002 (078-3720002 / 0-78-3720002) +63-78-3720003 / 0063-78-3720003 (078-3720003 / 0-78-3720003) +63-78-3720004 / 0063-78-3720004 (078-3720004 / 0-78-3720004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-3729995 / 0063-78-3729995 (078-3729995 / 0-78-3729995) +63-78-3729996 / 0063-78-3729996 (078-3729996 / 0-78-3729996) +63-78-3729997 / 0063-78-3729997 (078-3729997 / 0-78-3729997) +63-78-3729998 / 0063-78-3729998 (078-3729998 / 0-78-3729998) +63-78-3729999 / 0063-78-3729999 (078-3729999 / 0-78-3729999)