NumberResearchRecent prefix assignments
366 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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
Sep 2026
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 202-326 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-327 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-328 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-329 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | WSHNGTNZN1 | DC | |
| 202-330 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN1 | DC | |
| 202-331 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-332 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-333 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-334 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-336 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-337 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-338 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-339 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-340 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-341 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-342 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-343 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-344 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-345 | METROPCS, INC. | 5562 | WSHNGTNZN1 | DC | |
| 202-346 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-347 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-348 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-349 | PAETEC ITEL, LLC | 829J | WSHNGTNZN1 | DC | |
| 202-350 | TELEPORT COMMUNICATIONS AMERICA, LLC - DC | 7529 | WSHNGTNZN1 | DC | |
| 202-351 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN1 | DC | |
| 202-352 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN1 | DC | |
| 202-353 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-354 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-355 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN1 | DC | |
| 202-356 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-357 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-358 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-359 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN1 | DC | |
| 202-360 | LEVEL 3 COMMUNICATIONS, LLC - DC | 6117 | WSHNGTNZN1 | DC | |
| 202-361 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN1 | DC | |
| 202-362 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-363 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-364 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-365 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | WSHNGTNZN1 | DC | |
| 202-366 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-367 | METROPCS, INC. | 5562 | WSHNGTNZN1 | DC | |
| 202-369 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN1 | DC | |
| 202-370 | LEVEL 3 TELECOM OF D.C., LLC - DC | 2801 | WSHNGTNZN1 | DC | |
| 202-371 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-372 | LEVEL 3 TELECOM OF D.C., LLC - DC | 2801 | WSHNGTNZN1 | DC | |
| 202-373 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-374 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-375 | LEVEL 3 TELECOM OF D.C., LLC - DC | 2801 | WSHNGTNZN1 | DC | |
| 202-376 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-377 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.