Area Code +63-78-(8170000...8179999) located in Saguday, Quirino (QUI), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 78 Subscriber Number From : 8170000 Subscriber Number To : 8179999 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 : QUI Region Name : Quirino City : Saguday Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 16.5500 Longitude : 121.5700 ‹ previous : +63-78-(8160000...8169999) next › : +63-78-(8180000...8189999) Dialling Instructions For trunk calls: 0 78 8170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 78 8170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8170000 ~ 8179999 (Count: 10,000) Example: +63-78-8170000 / 0063-78-8170000 (078-8170000 / 0-78-8170000) +63-78-8170001 / 0063-78-8170001 (078-8170001 / 0-78-8170001) +63-78-8170002 / 0063-78-8170002 (078-8170002 / 0-78-8170002) +63-78-8170003 / 0063-78-8170003 (078-8170003 / 0-78-8170003) +63-78-8170004 / 0063-78-8170004 (078-8170004 / 0-78-8170004) ...+63-78-xxxxxxx / 0063-78-xxxxxxx (078-xxxxxxx / 0-78-xxxxxxx) ...+63-78-8179995 / 0063-78-8179995 (078-8179995 / 0-78-8179995) +63-78-8179996 / 0063-78-8179996 (078-8179996 / 0-78-8179996) +63-78-8179997 / 0063-78-8179997 (078-8179997 / 0-78-8179997) +63-78-8179998 / 0063-78-8179998 (078-8179998 / 0-78-8179998) +63-78-8179999 / 0063-78-8179999 (078-8179999 / 0-78-8179999)