Area Code +64-7-(8390000...8399999) located in Hamilton, Waikato (WKO), more detail is as below. Place International Dialing Code : 64 International Prefix : 00 National Prefix : 0 National Destination Code : 7 Subscriber Number From : 8390000 Subscriber Number To : 8399999 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 : WKO Region Name : Waikato City : Hamilton Timezone : Pacific/Auckland Coordinated Universal Time : +12:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : -37.7900 Longitude : 175.2800 ‹ previous : +64-7-(8380000...8389999) next › : +64-7-(8430000...8439999) Dialling Instructions For trunk calls: 0 7 8390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 64 7 8390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 8390000 ~ 8399999 (Count: 10,000) Example: +64-7-8390000 / 0064-7-8390000 (07-8390000 / 0-7-8390000) +64-7-8390001 / 0064-7-8390001 (07-8390001 / 0-7-8390001) +64-7-8390002 / 0064-7-8390002 (07-8390002 / 0-7-8390002) +64-7-8390003 / 0064-7-8390003 (07-8390003 / 0-7-8390003) +64-7-8390004 / 0064-7-8390004 (07-8390004 / 0-7-8390004) ...+64-7-xxxxxxx / 0064-7-xxxxxxx (07-xxxxxxx / 0-7-xxxxxxx) ...+64-7-8399995 / 0064-7-8399995 (07-8399995 / 0-7-8399995) +64-7-8399996 / 0064-7-8399996 (07-8399996 / 0-7-8399996) +64-7-8399997 / 0064-7-8399997 (07-8399997 / 0-7-8399997) +64-7-8399998 / 0064-7-8399998 (07-8399998 / 0-7-8399998) +64-7-8399999 / 0064-7-8399999 (07-8399999 / 0-7-8399999)