Area Code +64-9-(3770000...3779999) located in Auckland, Auckland (AUK), more detail is as below. Place International Dialing Code : 64 International Prefix : 00 National Prefix : 0 National Destination Code : 9 Subscriber Number From : 3770000 Subscriber Number To : 3779999 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 : AUK Region Name : Auckland City : Auckland Timezone : Pacific/Auckland Coordinated Universal Time : +12:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : -36.8500 Longitude : 174.7600 ‹ previous : +64-9-(3760000...3769999) next › : +64-9-(3780000...3789999) Dialling Instructions For trunk calls: 0 9 3770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 64 9 3770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3770000 ~ 3779999 (Count: 10,000) Example: +64-9-3770000 / 0064-9-3770000 (09-3770000 / 0-9-3770000) +64-9-3770001 / 0064-9-3770001 (09-3770001 / 0-9-3770001) +64-9-3770002 / 0064-9-3770002 (09-3770002 / 0-9-3770002) +64-9-3770003 / 0064-9-3770003 (09-3770003 / 0-9-3770003) +64-9-3770004 / 0064-9-3770004 (09-3770004 / 0-9-3770004) ...+64-9-xxxxxxx / 0064-9-xxxxxxx (09-xxxxxxx / 0-9-xxxxxxx) ...+64-9-3779995 / 0064-9-3779995 (09-3779995 / 0-9-3779995) +64-9-3779996 / 0064-9-3779996 (09-3779996 / 0-9-3779996) +64-9-3779997 / 0064-9-3779997 (09-3779997 / 0-9-3779997) +64-9-3779998 / 0064-9-3779998 (09-3779998 / 0-9-3779998) +64-9-3779999 / 0064-9-3779999 (09-3779999 / 0-9-3779999)