United States of America·North America & Caribbean

AT&T

OperatorAT&T Mobility

Live
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LocationUnited States of AmericaUS
United States of America landscape

PLMN ID · 312680

312
mcc
United States of America
680
mnc
AT&T

MCC

Mobile Country Code

MNC

Mobile Network Code

PLMN

MCC + MNC

TADIG

Not on file

GSMA roaming code

Technology

No generations on record

2G

Not on record

3G

Not on record

4G

Not on record

5G

Not on record

Record

Updated 2025-04-09

Brand
AT&T
Operator
AT&T Mobility
Dialling code
Mobile Country Code
Mobile Network Code
PLMN ID
TADIG code
Technologies
Status
Live

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About AT&T

AT&T Mobility, operating within the United States of America (North America & Caribbean), is a major mobile network provider identified by the Mobile Country Code (MCC) 312. This MCC places it firmly within the USA's telecommunications landscape. Paired with its Mobile Network Code (MNC) of 680, AT&T Mobility distinguishes itself within the crowded US market, offering a range of services from basic cellular connectivity to advanced 5G capabilities. They’re one of the "big three" alongside Verizon and T-Mobile, constantly vying for market share and technological superiority, including extensive 5G coverage. AT&T, formerly known as Cingular Wireless, has a long and storied history. Its network covers a vast swathe of the United States, offering access to millions of subscribers. The use of both MCC 312 and MNC 680 is crucial for devices to properly identify and connect to the AT&T Mobility network, ensuring seamless communication and data transmission across the country and while roaming. Compared to other networks, AT&T is known for its wide coverage area and focus on integrating mobile services with entertainment and media, aiming to provide users with a comprehensive connected experience.

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