Area Code +64-9-(4380000...4389999) located in Whangarei, Northland (NTL), more detail is as below. Place International Dialing Code : 64 International Prefix : 00 National Prefix : 0 National Destination Code : 9 Subscriber Number From : 4380000 Subscriber Number To : 4389999 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 : NTL Region Name : Northland City : Whangarei Timezone : Pacific/Auckland Coordinated Universal Time : +12:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : -35.7200 Longitude : 174.3200 ‹ previous : +64-9-(4370000...4379999) next › : +64-9-(4390000...4399999) Dialling Instructions For trunk calls: 0 9 4380000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 64 9 4380000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4380000 ~ 4389999 (Count: 10,000) Example: +64-9-4380000 / 0064-9-4380000 (09-4380000 / 0-9-4380000) +64-9-4380001 / 0064-9-4380001 (09-4380001 / 0-9-4380001) +64-9-4380002 / 0064-9-4380002 (09-4380002 / 0-9-4380002) +64-9-4380003 / 0064-9-4380003 (09-4380003 / 0-9-4380003) +64-9-4380004 / 0064-9-4380004 (09-4380004 / 0-9-4380004) ...+64-9-xxxxxxx / 0064-9-xxxxxxx (09-xxxxxxx / 0-9-xxxxxxx) ...+64-9-4389995 / 0064-9-4389995 (09-4389995 / 0-9-4389995) +64-9-4389996 / 0064-9-4389996 (09-4389996 / 0-9-4389996) +64-9-4389997 / 0064-9-4389997 (09-4389997 / 0-9-4389997) +64-9-4389998 / 0064-9-4389998 (09-4389998 / 0-9-4389998) +64-9-4389999 / 0064-9-4389999 (09-4389999 / 0-9-4389999)