NumberResearchRecent prefix assignments
0 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.
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 248-833 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | BIRMINGHAM | MI | |
| 248-893 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FARMINGTON | MI | |
| 248-920 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | PONTIAC | MI | |
| 248-927 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | CLARKSTON | MI | |
| 248-928 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | TROY | MI | |
| 248-936 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | SOUTHFIELD | MI | |
| 248-957 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FARMINGTON | MI | |
| 248-973 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | W BLOOMFLD | MI | |
| 248-985 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | W BLOOMFLD | MI | |
| 248-989 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | TROY | MI | |
| 248-991 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7279 | FARMINGTON | MI | |
| 252-844 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | MARSHALLBG | NC | |
| 252-920 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | WARRENTON | NC | |
| 253-398 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA | 7274 | KENT | WA | |
| 253-414 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | TACOMA | WA | |
| 253-439 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA | 7274 | TACOMA | WA | |
| 253-479 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KENT | WA | |
| 253-518 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | KENT | WA | |
| 253-561 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | AUBURN | WA | |
| 253-733 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA | 7274 | DES MOINES | WA | |
| 260-544 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN | 7440 | KENDALLVL | IN | |
| 262-207 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILWAUKZN2 | WI | |
| 262-312 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WAUKESHA | WI | |
| 262-361 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HARTLAND | WI | |
| 262-395 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MILWAUKZN2 | WI | |
| 262-404 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | THIENSVL | WI | |
| 262-408 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WAUKESHA | WI | |
| 262-415 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MENOMONFLS | WI | |
| 262-417 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | RACINE | WI | |
| 262-533 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MERTON | WI | |
| 262-618 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CEDARBURG | WI | |
| 262-622 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | HUBERTUS | WI | |
| 262-701 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PEWAUKEE | WI | |
| 262-706 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BIG BEND | WI | |
| 262-710 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | MUSKEGO | WI | |
| 262-714 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SUSSEX | WI | |
| 262-802 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CALEDONIA | WI | |
| 267-280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN39 | PA | |
| 267-284 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHLDLPHZN2 | PA | |
| 267-285 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN3 | PA | |
| 267-287 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN34 | PA | |
| 267-288 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN40 | PA | |
| 267-289 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN33 | PA | |
| 267-344 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHLDLPHZN4 | PA | |
| 267-345 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHLDLPHZN4 | PA | |
| 267-352 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NEWTOWN | PA | |
| 267-373 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | QUAKERTOWN | PA | |
| 267-395 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | YARDLEY | PA | |
| 267-430 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PHPHSBZN32 | PA | |
| 267-470 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA | 7434 | PHPHSBZN33 | PA |
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.