NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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.
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 901-205 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-248 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-251 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-252 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-255 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-257 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-273 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-290 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARLINGTON | TN | |
| 901-291 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-328 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-339 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-347 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-405 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-414 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLLIERVL | TN | |
| 901-416 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-432 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-462 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-471 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLLIERVL | TN | |
| 901-473 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-474 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-592 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARLINGTON | TN | |
| 901-842 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-843 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-844 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-860 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | COLLIERVL | TN | |
| 901-866 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-869 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 901-888 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MEMPHIS | TN | |
| 903-226 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | QUINLAN | TX | |
| 903-259 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GREENVILLE | TX | |
| 903-615 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KILGORE | TX | |
| 904-495 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ST JOHNS | FL | |
| 904-579 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ORANGEPARK | FL | |
| 904-596 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | JACKSONVL | FL | |
| 908-248 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELIZABETH | NJ | |
| 908-271 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NESHANIC | NJ | |
| 908-275 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LINDEN | NJ | |
| 908-312 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FANWOOD | NJ | |
| 908-333 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | SOMERVILLE | NJ | |
| 908-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELIZABETH | NJ | |
| 908-358 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CRANFORD | NJ | |
| 908-363 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SUMMIT | NJ | |
| 908-364 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UNIONVILLE | NJ | |
| 908-367 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BERNARDSVL | NJ | |
| 908-382 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BERNARDSVL | NJ | |
| 908-396 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PEAPACK | NJ | |
| 908-444 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ | 7134 | PLAINFIELD | NJ | |
| 908-462 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLAINFIELD | NJ | |
| 908-481 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | UNIONVILLE | NJ | |
| 908-483 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FLEMINGTON | NJ |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.