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 |
|---|---|---|---|---|---|
| 212-426 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-427 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-428 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-429 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-430 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NWYRCYZN01 | NY | |
| 212-431 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-432 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-433 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-434 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-435 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-436 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-437 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-438 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-439 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-440 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-441 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-442 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-443 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-444 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-445 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-446 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-447 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-448 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-449 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-450 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-451 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-452 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-453 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-454 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-455 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-456 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-457 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-458 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-459 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-460 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-461 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-462 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-463 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-464 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-465 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-466 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-467 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-468 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-469 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-471 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-472 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-473 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-474 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-475 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-476 | 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.