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 |
|---|---|---|---|---|---|
| 212-275 | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NWYRCYZN01 | NY | |
| 212-276 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-277 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-278 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-279 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-280 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-281 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-282 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-283 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-284 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-285 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-286 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-287 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-288 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-289 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-290 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-291 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-292 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-293 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-294 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-295 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN01 | NY | |
| 212-296 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-297 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-298 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-299 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-300 | TWC IP ENABLED SERVICES, LLC | 793K | NWYRCYZN01 | NY | |
| 212-301 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-302 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-303 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-304 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-305 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-306 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-307 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-308 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-309 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-310 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NY | |
| 212-312 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-313 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-314 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-315 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-316 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-317 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-318 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-319 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-320 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NWYRCYZN01 | NY | |
| 212-321 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-322 | TC SYSTEMS, INC. - NY | 7140 | NWYRCYZN01 | NY | |
| 212-323 | VERIZON NEW YORK, INC. | 9104 | NWYRCYZN01 | NY | |
| 212-324 | CABLEVISION LIGHTPATH, INC. - NY | 7126 | 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.