NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

7 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days — NPA 225
ONVOY, LLC - LA 6
NEW CINGULAR WIRELESS PCS, LLC - GA 1
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 thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2018-06-06 225-465-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J BATONROUGE LA
2018-05-17 225-465-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2018-05-04 225-230-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F TUNICA LA
2018-05-04 225-277-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F WILSON LA
2018-05-04 225-470-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F WH CASTLE LA
2018-05-04 225-605-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F CLINTON LA
2018-04-24 225-251-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J BATONROUGE LA
2018-04-24 225-251-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J BATONROUGE LA
2018-04-16 225-363-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GALVEZ LA
2018-04-12 225-294-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F SPRINGFLD LA
2018-03-26 225-401-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - LA 6505 PLAQUEMINE LA
2018-03-14 225-416-0XXX 0000–0999Assigned VONAGE AMERICA LLC 197D BATONROUGE LA
2018-03-13 225-314-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F ST GABRIEL LA
2018-03-13 225-484-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F LIVINGSTON LA
2018-02-27 225-217-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E NO CORNOR LA
2018-02-19 225-403-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DUTCH TOWN LA
2018-02-14 225-402-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DUTCH TOWN LA
2018-01-29 225-237-9XXX 9000–9999Assigned NUSO, LLC 551G BATONROUGE LA
2017-12-21 225-390-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GONZALES LA
2017-12-21 225-390-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GONZALES LA
2017-12-14 225-390-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J GONZALES LA
2017-12-14 225-396-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J VACHERIE LA
2017-12-14 225-398-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J LUTCHER LA
2017-12-11 225-306-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J ZACHARY LA
2017-12-11 225-314-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J ST GABRIEL LA
2017-12-11 225-351-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J ROUGON LA
2017-12-11 225-363-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J GALVEZ LA
2017-12-11 225-401-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J PLAQUEMINE LA
2017-12-11 225-402-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J DUTCH TOWN LA
2017-12-11 225-423-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J FRENCHSMNT LA
2017-12-11 225-470-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J WH CASTLE LA
2017-12-11 225-484-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J LIVINGSTON LA
2017-12-11 225-523-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J DENHAM SPG LA
2017-12-11 225-558-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J SORRENTO LA
2017-12-11 225-725-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J DONALDSNVL LA
2017-12-06 225-256-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J BATONROUGE LA
2017-12-04 225-399-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F CONVENT LA
2017-12-04 225-434-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F VACHERIE LA
2017-12-04 225-434-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F VACHERIE LA
2017-11-29 225-320-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F PLAQUEMINE LA
2017-11-10 225-234-1XXX 1000–1999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2017-11-10 225-234-2XXX 2000–2999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2017-11-10 225-234-3XXX 3000–3999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2017-10-20 225-251-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA LA - LLC 653C BATONROUGE LA
2017-10-12 225-443-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F ROUGON LA
2017-09-07 225-461-2XXX 2000–2999Assigned ADVANCED TEL., INC. - LA 8839 GONZALES LA
2017-09-01 225-414-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F SPRINGFLD LA
2017-09-01 225-523-6XXX 6000–6999Assigned ONVOY, LLC - LA 749E DENHAM SPG LA
2017-09-01 225-529-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2017-09-01 225-529-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E BATONROUGE LA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.