Carrier registry · US · reviewed September 2026 · ASN probe 2026-09-06
United States mobile carriers: ASNs and MCC/MNC codes
3 mobile operators with the autonomous systems that route their traffic, the MCC/MNC codes that identify them, and the prefixes each ASN announced at the last probe. Open an operator for the full ASN table with evidence links.
- 3
- carriers
- 26
- ASNs
- 8,422
- announced prefixes
- 3
- mobile country codes (310, 311, 312)
Operators in the United States
| Operator | Parent group | ASNs | MCC/MNC | Prefixes | Network |
|---|---|---|---|---|---|
| AT&T | AT&T Inc. | AS16572 AS17258 AS19540 AS20057 AS27522 AS2685 AS2686 AS6389 AS70185 mobile | 310-070 310-080 310-090 310-150 310-170 310-410 310-680 310-950 311-070 311-090 312-670 | 2,548 | 4G LTE / 5G |
| T-Mobile | Deutsche Telekom AG | AS6614 AS13644 AS16586 AS21928 AS32997 AS10728 AS17133 AS18933 AS221405 mobile | 310-260 310-830 311-660 311-882 312-190 312-530 | 630 | 4G LTE / 5G |
| Verizon | Verizon Communications Inc. | AS2634 AS6167 AS6256 AS12079 AS17106 AS22394 AS32471 AS7017 mobile | 310-004 310-006 310-010 310-012 311-480 311-800 311-810 | 5,244 | 4G LTE / 5G |
Network cities in the United States
Where these operators can exchange traffic locally: the exchanges and colocation facilities recorded in each city.
Questions
- What is the mobile country code (MCC) for United States?
- The operators recorded here use MCC 310, 311, 312. Network codes: AT&T 310-070, 310-080, 310-090, 310-150, 310-170, 310-410, 310-680, 310-950, 311-070, 311-090, 312-670; T-Mobile 310-260, 310-830, 311-660, 311-882, 312-190, 312-530; Verizon 310-004, 310-006, 310-010, 310-012, 311-480, 311-800, 311-810.
- Which ASNs do mobile carriers in the United States use?
- AT&T: AS16572, AS17258, AS19540, AS20057, AS27522, AS2685, AS2686, AS6389, AS7018; T-Mobile: AS6614, AS13644, AS16586, AS21928, AS32997, AS10728, AS17133, AS18933, AS22140; Verizon: AS2634, AS6167, AS6256, AS12079, AS17106, AS22394, AS32471, AS701. Each operator page shows which ASNs are confirmed by PeeringDB or RIPEstat.
- Which carrier in the United States announces the most IP prefixes?
- Verizon, with 5,244 prefixes announced across its listed ASNs at the RIPEstat probe on 2026-09-06. Prefix counts include IPv4 and IPv6 and change as routes are added or withdrawn.