AT&T (US) APN Settings 3G and MMS GPRS Configuration

APN Settings  Internet GPRS 3G and MMS for AT&T (US)

AT&T APN Settings for 3G and MMS

APN Settings for AT&T 3G + MMS

AT&T (US) APN Settings
Name: AT&T
APN: wap.cingular
Proxy: leave blank
Port: leave blank
Username:WAP@CINGULARGPRS.COM
Password:CINGULAR1
Server: leave blank
MMSC: http://mmsc.cingular.com
MMS Proxy: wireless.cingular.com
MMS Port: 80
MCC:310
MNC:410
APN Type: leave blank

or

AT&T

Name: AT&T
APN: pta
Proxy: leave blank
Port:leave blank
Username:leave blank
Password: leave blank
Server: leave blank
MMSC: http://mmsc.mobile.att.net/
MMS Proxy: proxy.mobile.att.net
MMS Port: 80
MCC: 310
MNC: 410
Authentication Type:
APN Type: default,admin,mms,supl,hipri
APN Protocol: IPv4/IPv6
APN Roaming Protocol: IPv4/IPv6

APN Settings iPhone 5 For T-mobile US

WAP-PHONE.COM

Download APN Settings for AT&T  USA Click Here

for more information From Wikipedia, the free encyclopedia

AT&T Inc. is an American multinational telecommunications corporation headquartered in Whitacre Tower, downtown Dallas, Texas.[4] AT&T is the largest provider both of mobile telephony and of fixed telephony[5] in the United States, and also provides broadband subscription television services. AT&T is the third-largest company in Texas (the largest non-oil company, behind only ExxonMobil and ConocoPhillips, and also the largest Dallas company).[6] As of April 2012, AT&T is the 17th largest company in the world by market value,[7] and the 13th largest non-oil company.[8] As of 2012, it is also the 20th largest mobile telecom operator in the world, with over 106 million mobile customers.[9]