NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026
The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2021-05-07 | 325-292 | 0XXX4XXX · 2 holders which blocks → | TELNYX LLC | 073H | SAN ANGELO | TX |
| 2021-05-07 | 325-293 | 0XXX1XXX2XXX3XXX4XXX8XXX9XXX · 4 holders which blocks → | TELNYX LLC | 073H | SNYDER | TX |
| 2019-12-17 | 325-285 | 1XXX which blocks → | TELNYX LLC | 073H | SAN ANGELO | TX |
| 2019-12-02 | 325-283 | 0–9 XXXall 10 · 4 holders which blocks → | TELNYX LLC | 073H | ABILENE | TX |
| — | 325-323 | 0–9 XXXall 10 · 6 holders which blocks → | TELNYX LLC | 073H | BIG LAKE | TX |
| — | 325-328 | 0XXX1XXX2XXX3XXX7XXX8XXX9XXX · 3 holders which blocks → | TELNYX LLC | 073H | WATER VLY | TX |
| — | 325-523 | 0XXX1XXX8XXX · 3 holders which blocks → | TELNYX LLC | 073H | LORAINE | TX |
| — | 325-525 | 0XXX1XXX2XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | TELNYX LLC | 073H | PAINT ROCK | TX |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.