Area Code +64-9-(4200000...4209999) located in Helensville, 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 : 4200000 Subscriber Number To : 4209999 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 : Helensville Timezone : Pacific/Auckland Coordinated Universal Time : +12:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : -36.6800 Longitude : 174.4500 ‹ previous : +64-9-(4190000...4199999) next › : +64-9-(4210000...4219999) Dialling Instructions For trunk calls: 0 9 4200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 64 9 4200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4200000 ~ 4209999 (Count: 10,000) Example: +64-9-4200000 / 0064-9-4200000 (09-4200000 / 0-9-4200000) +64-9-4200001 / 0064-9-4200001 (09-4200001 / 0-9-4200001) +64-9-4200002 / 0064-9-4200002 (09-4200002 / 0-9-4200002) +64-9-4200003 / 0064-9-4200003 (09-4200003 / 0-9-4200003) +64-9-4200004 / 0064-9-4200004 (09-4200004 / 0-9-4200004) ...+64-9-xxxxxxx / 0064-9-xxxxxxx (09-xxxxxxx / 0-9-xxxxxxx) ...+64-9-4209995 / 0064-9-4209995 (09-4209995 / 0-9-4209995) +64-9-4209996 / 0064-9-4209996 (09-4209996 / 0-9-4209996) +64-9-4209997 / 0064-9-4209997 (09-4209997 / 0-9-4209997) +64-9-4209998 / 0064-9-4209998 (09-4209998 / 0-9-4209998) +64-9-4209999 / 0064-9-4209999 (09-4209999 / 0-9-4209999)