NumberResearch Membership · Data 2026-04

Recent prefix assignments

380 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

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
8X8, INC. 38
ONVOY, LLC - CA 37
NEW CINGULAR WIRELESS PCS, LLC - IL 33
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - TX 18
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
205-992 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
205-993 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 9789 PHILCMPBLL AL
205-994 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
205-995 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
205-996 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BIRMINGHAM AL
205-998 OAKMAN TEL. CO., INC. 0311 FLATWOOD AL
205-999 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 6804 BIRMINGHAM AL
206-200 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 SEATTLE WA
206-201 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 7146 BAINBDG IS WA
206-202 ONVOY, LLC - WA 483E SEATTLE WA
206-203 ONVOY, LLC - WA 483E SEATTLE WA
206-204 PAETEC ITEL, LLC 829J SEATTLE WA
206-205 QWEST CORPORATION 9638 SEATTLE WA
206-208 ONVOY, LLC - WA 483E SEATTLE WA
206-210 ONVOY, LLC - WA 483E SEATTLE WA
206-211 MULTIPLE OCN LISTING MULT XXXXXXXXXX WA
206-213 QWEST CORPORATION 9638 SEATTLE WA
206-214 QWEST CORPORATION 9638 SEATTLE WA
206-215 QWEST CORPORATION 9638 SEATTLE WA
206-216 QWEST CORPORATION 9638 SEATTLE WA
206-217 QWEST CORPORATION 9638 SEATTLE WA
206-218 QWEST CORPORATION 9638 SEATTLE WA
206-219 LEVEL 3 COMMUNICATIONS, LLC - WA 6121 SEATTLE WA
206-220 QWEST CORPORATION 9638 SEATTLE WA
206-221 QWEST CORPORATION 9638 SEATTLE WA
206-222 ONVOY, LLC - WA 483E SEATTLE WA
206-223 QWEST CORPORATION 9638 SEATTLE WA
206-224 QWEST CORPORATION 9638 SEATTLE WA
206-225 LEVEL 3 COMMUNICATIONS, LLC - WA 6121 SEATTLE WA
206-226 T-MOBILE USA, INC. 6529 SEATTLE WA
206-227 T-MOBILE USA, INC. 6529 SEATTLE WA
206-228 T-MOBILE USA, INC. 6529 SEATTLE WA
206-229 T-MOBILE USA, INC. 6529 SEATTLE WA
206-230 QWEST CORPORATION 9638 SEATTLE WA
206-232 QWEST CORPORATION 9638 SEATTLE WA
206-233 QWEST CORPORATION 9638 SEATTLE WA
206-234 T-MOBILE USA, INC. 6529 SEATTLE WA
206-235 T-MOBILE USA, INC. 6529 SEATTLE WA
206-236 QWEST CORPORATION 9638 SEATTLE WA
206-237 ONVOY, LLC - WA 483E RICHMNDBCH WA
206-238 ONVOY, LLC - WA 483E BAINBDG IS WA
206-239 QWEST CORPORATION 9638 SEATTLE WA
206-240 NEW CINGULAR WIRELESS PCS, LLC 6010 SEATTLE WA
206-241 QWEST CORPORATION 9638 SEATTLE WA
206-242 QWEST CORPORATION 9638 SEATTLE WA
206-243 QWEST CORPORATION 9638 SEATTLE WA
206-244 QWEST CORPORATION 9638 SEATTLE WA
206-246 QWEST CORPORATION 9638 SEATTLE WA
206-248 QWEST CORPORATION 9638 SEATTLE WA
206-250 T-MOBILE USA, INC. 6529 SEATTLE WA

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.