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 |
|---|---|---|---|---|---|
| 954-337 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | FTLAUDERDL | FL | |
| 954-342 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | HOLLYWOOD | FL | |
| 954-343 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FTLAUDERDL | FL | |
| 954-363 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | DEERFLDBCH | FL | |
| 954-364 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | HOLLYWOOD | FL | |
| 954-366 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | POMPANOBCH | FL | |
| 954-369 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | CORAL SPG | FL | |
| 954-377 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | FTLAUDERDL | FL | |
| 954-378 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | HOLLYWOOD | FL | |
| 954-379 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | DEERFLDBCH | FL | |
| 954-446 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | FTLAUDERDL | FL | |
| 954-603 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | CORAL SPG | FL | |
| 954-633 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | POMPANOBCH | FL | |
| 954-744 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | HOLLYWOOD | FL | |
| 954-745 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | FTLAUDERDL | FL | |
| 954-903 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | FTLAUDERDL | FL | |
| 954-944 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | POMPANOBCH | FL | |
| 954-949 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL | 8664 | DEERFLDBCH | FL | |
| 956-278 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MCALLEN | TX | |
| 971-223 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BEAVERTON | OR | |
| 971-244 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PORTLAND | OR | |
| 971-249 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BEAVERTON | OR | |
| 971-250 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BEAVERTON | OR | |
| 971-327 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BEAVERTON | OR | |
| 971-404 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PORTLAND | OR | |
| 972-201 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-232 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-249 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GRANDPRARI | TX | |
| 972-367 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-372 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLANO | TX | |
| 972-374 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | IRVING | TX | |
| 972-375 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GRANDPRARI | TX | |
| 972-408 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GRANDPRARI | TX | |
| 972-439 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MCKINNEY | TX | |
| 972-502 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-505 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | IRVING | TX | |
| 972-512 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CARROLLTON | TX | |
| 972-532 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-534 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DLFTWTARPT | TX | |
| 972-535 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLANO | TX | |
| 972-536 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | IRVING | TX | |
| 972-538 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEWISVILLE | TX | |
| 972-543 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLANO | TX | |
| 972-560 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-577 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLANO | TX | |
| 972-581 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-649 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ALLEN | TX | |
| 972-656 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX | |
| 972-665 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PLANO | TX | |
| 972-676 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DALLAS | TX |
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.