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
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 212-325 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-326 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-327 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-328 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-329 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-330 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-331 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-332 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-333 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-334 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-335 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-336 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-337 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-338 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-339 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-340 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-341 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-342 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-343 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-344 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-345 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-346 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-348 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-349 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-350 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-351 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-352 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-353 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-354 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-355 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-356 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-357 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-358 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-359 | METROPOLITAN TELECOMMUNICATIONS - NY | 8526 | NWYRCYZN01 | NY | |
| 212-360 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-361 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-362 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-363 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-364 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NWYRCYZN01 | NY | |
| 212-365 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-366 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-367 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-368 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-369 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-370 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-371 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-372 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-373 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-374 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-375 | 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.