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 |
|---|---|---|---|---|---|
| 801-934 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FARMINGTON | UT | |
| 801-937 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-938 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-939 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FARMINGTON | UT | |
| 801-951 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BOUNTIFUL | UT | |
| 801-983 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SALT LAKE | UT | |
| 801-984 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-987 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-988 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-993 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MIDVALE | UT | |
| 801-994 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SALT LAKE | UT | |
| 805-293 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SATICOY | CA | |
| 805-768 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NEWBURYPRK | CA | |
| 805-800 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LOMPOC | CA | |
| 810-213 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FLINT | MI | |
| 810-222 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BRIGHTON | MI | |
| 810-224 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BRIGHTON | MI | |
| 810-272 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | LAPEER | MI | |
| 810-275 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FLINT | MI | |
| 810-277 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | LAPEER | MI | |
| 810-368 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | CLIMTMORRS | MI | |
| 810-454 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ST CLAIR | MI | |
| 810-592 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SANDUSKY | MI | |
| 810-597 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FLINT | MI | |
| 810-821 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | ALGONAC | MI | |
| 810-852 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BRIGHTON | MI | |
| 810-882 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | LAPEER | MI | |
| 810-885 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FENTON | MI | |
| 810-956 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PORT HURON | MI | |
| 810-958 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PORT HURON | MI | |
| 810-963 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FLINT | MI | |
| 812-220 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 8286 | W HARRISON | IN | |
| 812-616 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | OWENSVILLE | IN | |
| 814-200 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | DAVIDSVL | PA | |
| 814-289 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | SOMERSET | PA | |
| 815-261 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | CRYSTAL LK | IL | |
| 815-267 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | PLAINFIELD | IL | |
| 815-271 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | MCHENRY | IL | |
| 815-272 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | JOLIET | IL | |
| 815-349 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | MCHENRY | IL | |
| 815-461 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | LOCKPORT | IL | |
| 815-839 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | KANKAKEE | IL | |
| 816-385 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7594 | ST JOSEPH | MO | |
| 816-410 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7594 | KANSASCITY | MO | |
| 816-412 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7594 | KANSASCITY | MO | |
| 817-256 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FORT WORTH | TX | |
| 817-302 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FORT WORTH | TX | |
| 817-391 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | EULESS | TX | |
| 817-393 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NRICHLDHLS | TX | |
| 817-394 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ARLINGTON | 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.