NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

355 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

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 31
NEW CINGULAR WIRELESS PCS, LLC - IL 28
NEW CINGULAR WIRELESS PCS, LLC - DC 26
ONVOY, LLC - NJ 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
225-391 EAST ASCENSION TELEPHONE COMPANY, LLC 0429 GONZALES LA
225-397 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 BATONROUGE LA
225-404 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 XXXXXXXXXX LA
225-405 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
225-406 BANDWIDTH.COM CLEC, LLC - LA 153F BATONROUGE LA
225-408 ADVANCED TEL., INC. - LA 8839 BATONROUGE LA
225-411 MULTIPLE OCN LISTING MULT XXXXXXXXXX LA
225-412 LEVEL 3 COMMUNICATIONS, LLC - LA 3232 BATONROUGE LA
225-413 VOICESTREAM GSM I, LLC 150C BATONROUGE LA
225-423 CHARTER IP ENABLED SERVICES, LLC 792K FRENCHSMNT LA
225-425 TELNYX LLC 073H NEW ROADS LA
225-426 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 XXXXXXXXXX LA
225-440 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 XXXXXXXXXX LA
225-445 VOICESTREAM GSM I, LLC 150C BATONROUGE LA
225-450 COMCAST IP PHONE, LLC 318J GONZALES LA
225-460 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 GREENSBURG LA
225-473 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 DONALDSNVL LA
225-474 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 DONALDSNVL LA
225-478 COMCAST IP PHONE, LLC 318J BATONROUGE LA
225-484 TELNYX LLC 073H LIVINGSTON LA
225-485 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
225-490 CENTURYLINK COMMUNICATIONS LLC - LA 7637 BATONROUGE LA
225-492 STAR TEL. CO., INC. 0441 INNIS LA
225-499 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BATONROUGE LA
225-500 ONVOY, LLC - LA 749E ALBANY LA
225-504 LA
225-505 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
225-511 MULTIPLE OCN LISTING MULT XXXXXXXXXX LA
225-517 COMMIO, LLC 939H ST GABRIEL LA
225-522 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 CLINTON LA
225-526 CENTURYLINK COMMUNICATIONS LLC - LA 7637 BATONROUGE LA
225-527 NUSO, LLC 732J DENHAM SPG LA
225-530 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 XXXXXXXXXX LA
225-535 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 STFRNCISVL LA
225-545 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 WH CASTLE LA
225-555 MULTIPLE OCN LISTING MULT DIR ASST LA
225-558 COMCAST IP PHONE, LLC 318J SORRENTO LA
225-562 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 CONVENT LA
225-567 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 ALBANY LA
225-571 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
225-572 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
225-573 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
225-578 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 BATONROUGE LA
225-601 LA
225-603 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
225-611 MULTIPLE OCN LISTING MULT XXXXXXXXXX LA
225-612 LEVEL 3 COMMUNICATIONS, LLC - LA 3232 BATONROUGE LA
225-614 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 8764 BATONROUGE LA
225-615 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 BATONROUGE LA
225-618 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 9419 NEW ROADS LA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.