Phone numbers in Ntah Thcy, California
Ntah Thcy has 9 phone prefixes in area codes 530, 837.
Biggest holders: AT&T (local phone), AT&T Mobility, MetroPCS (T-Mobile). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 22%
- Local phone company 33%
- Internet / business phone carrier 44%
Every prefix in Ntah Thcy
Search the first six digits of a number in this list. If it's here, the number started in Ntah Thcy with the carrier shown. If it isn't, check the California page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 530-412 | AT&T Mobility | Mobile carrier | – |
| 530-448 | MetroPCS (T-Mobile) | Mobile carrier | 2001 |
| 530-452 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 530-580 | Teleport Communications America | Internet / business phone carrier | – |
| 530-581 | AT&T (local phone) | Local phone company | – |
| 530-583 | AT&T (local phone) | Local phone company | – |
| 530-584 | AT&T (local phone) | Local phone company | – |
| 530-807 | Charter / Spectrum | Internet / business phone carrier | 2016 |
| 837-200 | Onvoy | Internet / business phone carrier | 2026 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.