These are the main 3G APN’s (Access Point Name) used in Australia.

ISP                                   APN                                Username/Password Required
Telstra                             telstra.internet           NO
BigPond                          telstra.bigpond           YES
Three (Prepaid)            3services                       NO
Three (Postpaid)          3netaccess                    NO
Vodafone (Prepaid)     vfprepaymbb                NO
Vodafone (Postpaid)   vfinternet.au                 NO
Optus (Prepaid)            preconnect                    NO
Optus (Postpaid)          connect                          NO
DODO                             WirelessBroadband   NO
dodolns1                         NO
iburst                                NO APN                        YES User/password only
Primus                             primuslns1                    NO
Blink                                splns888a1                   SP Code is 888a1
Crazy John                     purtona.net                   NO
Internode                        Internode                       NO
Virgin Broadband        VirginBroadband       guest/guest

For New Zealand user only
ISP                                   APN                                        Dialed Number
Telecom                         internet.telecom.co.nz       *99#
Vodafone                      www.vodafone.net.nz         *99#
Telstra                            www.telstra.net.nz              *99#
SlingShot                       www.slingshot.net.nz       *99#
CallPlus                          www.callplus.net.nz          *99#

http://www.pinstack.com/carrier_sett…n_gateway.html
http://www.unlocks.co.uk/gprs_settings.php
http://www.modmyifone.com/wiki/index…69#T-Mobile_UK