Area Code +63-78-(3180000...3189999) 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 : 3180000 Subscriber Number To : 3189999 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-(3170000...3179999) next › : +63-78-(3190000...3199999) Dialling Instructions For trunk calls: 0 78 3180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 3180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3180000 ~ 3189999 (Count: 10,000) Example: +63-78-3180000 / 0063-78-3180000 (078-3180000 / 0-78-3180000) +63-78-3180001 / 0063-78-3180001 (078-3180001 / 0-78-3180001) +63-78-3180002 / 0063-78-3180002 (078-3180002 / 0-78-3180002) +63-78-3180003 / 0063-78-3180003 (078-3180003 / 0-78-3180003) +63-78-3180004 / 0063-78-3180004 (078-3180004 / 0-78-3180004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-3189995 / 0063-78-3189995 (078-3189995 / 0-78-3189995) +63-78-3189996 / 0063-78-3189996 (078-3189996 / 0-78-3189996) +63-78-3189997 / 0063-78-3189997 (078-3189997 / 0-78-3189997) +63-78-3189998 / 0063-78-3189998 (078-3189998 / 0-78-3189998) +63-78-3189999 / 0063-78-3189999 (078-3189999 / 0-78-3189999)