NumberResearchRecent prefix assignments
5 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, last 30 days
New assignments by month
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2001-01-23 | 903-491 | T-MOBILE USA, INC. | 6529 | DETROIT | TX |
| 2001-01-18 | 314-458 | T-MOBILE USA, INC. | 6529 | LADUE | MO |
| 2001-01-18 | 636-675 | T-MOBILE USA, INC. | 6529 | CHESTERFLD | MO |
| 2001-01-18 | 817-681 | T-MOBILE USA, INC. | 6529 | ARLINGTON | TX |
| 2001-01-18 | 903-517 | T-MOBILE USA, INC. | 6529 | PARIS | TX |
| 2001-01-15 | 254-466 | T-MOBILE USA, INC. | 6529 | KILLEEN | TX |
| 2001-01-15 | 702-265 | T-MOBILE USA, INC. | 6529 | LAS VEGAS | NV |
| 2001-01-12 | 309-648 | T-MOBILE USA, INC. | 6529 | PEORIA | IL |
| 2001-01-12 | 480-203 | T-MOBILE USA, INC. | 6529 | PHOENIX | AZ |
| 2001-01-10 | 330-209 | T-MOBILE USA, INC. | 6529 | CANTON | OH |
| 2001-01-08 | 216-854 | T-MOBILE USA, INC. | 6529 | CLEVELAND | OH |
| 2001-01-08 | 512-586 | T-MOBILE USA, INC. | 6529 | AUSTIN | TX |
| 2001-01-05 | 330-883 | T-MOBILE USA, INC. | 6529 | WARREN | OH |
| 2001-01-05 | 903-319 | T-MOBILE USA, INC. | 6529 | HOOKS | TX |
| 2001-01-04 | 618-741 | T-MOBILE USA, INC. | 6529 | COLLINSVL | IL |
| 2001-01-03 | 214-562 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX |
| 2001-01-03 | 630-776 | T-MOBILE USA, INC. | 6529 | ELMHURST | IL |
| 206-226 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-227 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-228 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-229 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-234 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-235 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-250 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-251 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-255 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-261 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-271 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-280 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-290 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-293 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-313 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-334 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-335 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-349 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-353 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-354 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-355 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-356 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-371 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-372 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-376 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-380 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-383 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-387 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-391 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-396 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-397 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-412 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA | |
| 206-423 | T-MOBILE USA, INC. | 6529 | SEATTLE | WA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.