Karrier One (Karrier One)
United States · ISO US
Network Details
- Operator (ITU)
- Karrier One
- Brand Name
- Karrier One
- Country
- United States
- ISO Code
- US
- MCC
- 310
- MNC
- 060
- PLMN
- 310-060
About PLMN 310-060
Karrier One (commonly known as Karrier One) is a mobile network operator in United States assigned PLMN code 310-060 by the national telecommunications authority.
The MCC 310 identifies United States, while MNC 060 uniquely identifies this operator within the country. Together they form the PLMN (Public Land Mobile Network) identifier used by mobile devices for network selection, SIM card identification, and international roaming.
This assignment was last reported in ITU Operational Bulletin #1316 (May 15, 2025). Search all MCC/MNC codes or view all United States operators .