Area Code +63-44-(9170000...9179999) located in Guiguinto, Bulacan (BUL), more detail is as below. Place International Dialing Code : 63 International Prefix : 00 National Prefix : 0 National Destination Code : 44 Subscriber Number From : 9170000 Subscriber Number To : 9179999 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 : BUL Region Name : Bulacan City : Guiguinto Timezone : Asia/Manila Coordinated Universal Time : +08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 14.8400 Longitude : 120.8900 ‹ previous : +63-44-(9160000...9169999) next › : +63-44-(9180000...9189999) Dialling Instructions For trunk calls: 0 44 9170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 63 44 9170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9170000 ~ 9179999 (Count: 10,000) Example: +63-44-9170000 / 0063-44-9170000 (044-9170000 / 0-44-9170000) +63-44-9170001 / 0063-44-9170001 (044-9170001 / 0-44-9170001) +63-44-9170002 / 0063-44-9170002 (044-9170002 / 0-44-9170002) +63-44-9170003 / 0063-44-9170003 (044-9170003 / 0-44-9170003) +63-44-9170004 / 0063-44-9170004 (044-9170004 / 0-44-9170004) ...+63-44-xxxxxxx / 0063-44-xxxxxxx (044-xxxxxxx / 0-44-xxxxxxx) ...+63-44-9179995 / 0063-44-9179995 (044-9179995 / 0-44-9179995) +63-44-9179996 / 0063-44-9179996 (044-9179996 / 0-44-9179996) +63-44-9179997 / 0063-44-9179997 (044-9179997 / 0-44-9179997) +63-44-9179998 / 0063-44-9179998 (044-9179998 / 0-44-9179998) +63-44-9179999 / 0063-44-9179999 (044-9179999 / 0-44-9179999)