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
Aug 2026
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Mar 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 202-601 | LEVEL 3 TELECOM OF D.C., LLC - DC | 2801 | WSHNGTNZN1 | DC | |
| 202-605 | SPOK, INC. | 6630 | WSHNGTNZN1 | DC | |
| 202-606 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-607 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSHNGTNZN1 | DC | |
| 202-608 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-610 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | DC | |
| 202-612 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-613 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-614 | LEVEL 3 COMMUNICATIONS, LLC - DC | 6117 | WSHNGTNZN1 | DC | |
| 202-616 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-619 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-620 | REDI-CALL COMMUNICATIONS CO. | 6810 | WSHNGTNZN1 | DC | |
| 202-622 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-623 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-624 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-625 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-626 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-627 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-628 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-632 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-633 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-634 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-635 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-636 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-637 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-638 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-639 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-641 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | WSHNGTNZN1 | DC | |
| 202-645 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-646 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-647 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-651 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-653 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-654 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-659 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-661 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-662 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-663 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-664 | LEVEL 3 COMMUNICATIONS, LLC - DC | 6117 | WSHNGTNZN1 | DC | |
| 202-665 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-667 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-668 | AMERICAN MESSAGING SERVICES, LLC | 9748 | WSHNGTNZN1 | DC | |
| 202-669 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - DC | 6402 | WSHNGTNZN1 | DC | |
| 202-671 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-672 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-673 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-674 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSHNGTNZN1 | DC | |
| 202-675 | VERIZON WASHINGTON DC, INC. | 9211 | WSHNGTNZN1 | DC | |
| 202-676 | 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.