Area Code +63-78-(8350000...8359999) located in Santo Nino, 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 : 8350000 Subscriber Number To : 8359999 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 : Santo Nino Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 17.8800 Longitude : 121.5700 ‹ previous : +63-78-(8340000...8349999) next › : +63-78-(8360000...8369999) Dialling Instructions For trunk calls: 0 78 8350000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8350000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8350000 ~ 8359999 (Count: 10,000) Example: +63-78-8350000 / 0063-78-8350000 (078-8350000 / 0-78-8350000) +63-78-8350001 / 0063-78-8350001 (078-8350001 / 0-78-8350001) +63-78-8350002 / 0063-78-8350002 (078-8350002 / 0-78-8350002) +63-78-8350003 / 0063-78-8350003 (078-8350003 / 0-78-8350003) +63-78-8350004 / 0063-78-8350004 (078-8350004 / 0-78-8350004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8359995 / 0063-78-8359995 (078-8359995 / 0-78-8359995) +63-78-8359996 / 0063-78-8359996 (078-8359996 / 0-78-8359996) +63-78-8359997 / 0063-78-8359997 (078-8359997 / 0-78-8359997) +63-78-8359998 / 0063-78-8359998 (078-8359998 / 0-78-8359998) +63-78-8359999 / 0063-78-8359999 (078-8359999 / 0-78-8359999)