Area Code +64-6-(3780000...3789999) located in Masterton, Wellington (WGN), more detail is as below. Place International Dialing Code : 64 International Prefix : 00 National Prefix : 0 National Destination Code : 6 Subscriber Number From : 3780000 Subscriber Number To : 3789999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Telecom New Zealand Limited Click here to buy New Zealand Area Code Database Other Information Language Code : en (English) Country Number : 554 (New Zealand) Country Code : NZ (New Zealand) Region Code : WGN Region Name : Wellington City : Masterton Timezone : Pacific/Auckland Coordinated Universal Time : +12:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : -40.9500 Longitude : 175.6600 ‹ previous : +64-6-(3770000...3779999) next › : +64-6-(3790000...3799999) Dialling Instructions For trunk calls: 0 6 3780000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 64 6 3780000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3780000 ~ 3789999 (Count: 10,000) Example: +64-6-3780000 / 0064-6-3780000 (06-3780000 / 0-6-3780000) +64-6-3780001 / 0064-6-3780001 (06-3780001 / 0-6-3780001) +64-6-3780002 / 0064-6-3780002 (06-3780002 / 0-6-3780002) +64-6-3780003 / 0064-6-3780003 (06-3780003 / 0-6-3780003) +64-6-3780004 / 0064-6-3780004 (06-3780004 / 0-6-3780004) ...+64-6-xxxxxxx / 0064-6-xxxxxxx (06-xxxxxxx / 0-6-xxxxxxx) ...+64-6-3789995 / 0064-6-3789995 (06-3789995 / 0-6-3789995) +64-6-3789996 / 0064-6-3789996 (06-3789996 / 0-6-3789996) +64-6-3789997 / 0064-6-3789997 (06-3789997 / 0-6-3789997) +64-6-3789998 / 0064-6-3789998 (06-3789998 / 0-6-3789998) +64-6-3789999 / 0064-6-3789999 (06-3789999 / 0-6-3789999)