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 |
|---|---|---|---|---|---|
| 760-710 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD CRLS | CA | |
| 760-783 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ENCINITAS | CA | |
| 760-827 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD CRLS | CA | |
| 760-828 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD OCSD | CA | |
| 760-829 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD PDTN | CA | |
| 760-830 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | TWNTYNPLMS | CA | |
| 760-870 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | RAMONA | CA | |
| 760-916 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | SAN MARCOS | CA | |
| 760-936 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | VISTA | CA | |
| 760-973 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FORT IRWIN | CA | |
| 763-354 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 763-355 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 763-412 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 763-516 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 763-567 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 763-614 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 763-852 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MN | 7783 | TWINCITIES | MN | |
| 763-913 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TWINCITIES | MN | |
| 763-923 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MN | 7783 | TWINCITIES | MN | |
| 765-335 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | LEBANON | IN | |
| 770-217 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-225 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-238 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 770-239 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 770-240 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-243 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 770-250 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-261 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 770-280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-281 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-282 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA SO | GA | |
| 770-283 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 770-284 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA SO | GA | |
| 770-285 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | CONYERS | GA | |
| 770-290 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-291 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 770-308 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-325 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-369 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-370 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-371 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA SO | GA | |
| 770-372 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NW | GA | |
| 770-373 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 770-375 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-624 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NE | GA | |
| 770-625 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA NE | GA | |
| 770-626 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA SO | GA | |
| 770-627 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 770-628 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ATLANTA NW | GA | |
| 770-629 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA | 7435 | ATLANTA SO | GA |
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.