NumberResearchRecent prefix assignments
352 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.
Most active assignees, last 30 days
New assignments by month
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 212-376 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-377 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-378 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-379 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NWYRCYZN01 | NY | |
| 212-380 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NWYRCYZN01 | NY | |
| 212-381 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-382 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-383 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-384 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-385 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-386 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-387 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-388 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-389 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-390 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-391 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-392 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-393 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-394 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-395 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-396 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-397 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-398 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-399 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-400 | PAETEC ITEL, LLC | 829J | NWYRCYZN01 | NY | |
| 212-401 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-402 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NWYRCYZN01 | NY | |
| 212-403 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-404 | LEVEL 3 COMMUNICATIONS, LLC - NY | 4006 | NWYRCYZN01 | NY | |
| 212-405 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NWYRCYZN01 | NY | |
| 212-406 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-407 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-408 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-409 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-410 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 212-412 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-413 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-414 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-415 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-416 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-417 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-418 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-419 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-420 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-421 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-422 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-423 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-424 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-425 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY |
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.