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 |
|---|---|---|---|---|---|
| 202-205 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-206 | SPOK, INC. | 6630 | WSHNGTNZN1 | DC | |
| 202-207 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | WSHNGTNZN1 | DC | |
| 202-208 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-210 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN1 | DC | |
| 202-211 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | DC | |
| 202-213 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-214 | SPOK, INC. | 6630 | WSHNGTNZN1 | DC | |
| 202-215 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-216 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-218 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-219 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-220 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-222 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-223 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-224 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-225 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-226 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-228 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-229 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-230 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-231 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-232 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-233 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-234 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-235 | BANDWIDTH.COM CLEC, LLC - DC | 074F | WSHNGTNZN1 | DC | |
| 202-236 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | WSHNGTNZN1 | DC | |
| 202-237 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-238 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-242 | LEVEL 3 COMMUNICATIONS, LLC - DC | 6117 | WSHNGTNZN1 | DC | |
| 202-243 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-244 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-245 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-246 | METROPCS, INC. | 5562 | WSHNGTNZN1 | DC | |
| 202-248 | STARPOWER COMMUNICATIONS, LLC - DC | 8831 | WSHNGTNZN1 | DC | |
| 202-249 | STARPOWER COMMUNICATIONS, LLC - DC | 8831 | WSHNGTNZN1 | DC | |
| 202-250 | STARPOWER COMMUNICATIONS, LLC - DC | 8831 | WSHNGTNZN1 | DC | |
| 202-251 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-252 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-253 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | WSHNGTNZN1 | DC | |
| 202-254 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-255 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-256 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-257 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-258 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-259 | SPOK, INC. | 6630 | WSHNGTNZN1 | DC | |
| 202-260 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-261 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-262 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-263 | 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.