The national New Zealand postal service is NZ Post. They also feature acceptance of bill payments of various types (in-person and online) via their BillPay / eBill service, and serve as bank branches for KiwiBank.

Local, long-distance, and mobile telephone service is provided by Telecom. In some areas, these services are also available from Saturn and Clear. Mobile phone service is also available from Vodafone.

Public telephones are owned by Telecom, and most are operated with prepaid "smart" (chip) cards available from many retail outlets. Some accept regular credit cards for payment. Very few accept coins.

Look up telephone numbers at the White Pages or Yellow Pages directories, run by Telecom NZ.

ISPs:

Actrix

Compass

Ihug

Maxnet

NZ Wireless

Orcon

Paradise

Raider

Slingshot

Telstra Clear

Vodafone

Whoosh

Xnet

Xtra (Owned by Telecom)

Welcome To New Zealand