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
2016-01-20 225-666-1XXX 1000–1999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2016-01-20 225-666-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2016-01-14 225-503-1XXX 1000–1999Assigned PAETEC ITEL, LLC 829J DENHAM SPG LA
2016-01-06 225-746-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA LA - LLC 653C DONALDSNVL LA
2015-12-23 225-376-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 BATONROUGE LA
2015-12-09 225-828-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GONZALES LA
2015-11-19 225-363-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 GALVEZ LA
2015-11-18 225-475-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-11-18 225-475-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-11-18 225-502-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-11-09 225-401-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PLAQUEMINE LA
2015-11-09 225-401-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PLAQUEMINE LA
2015-11-04 225-692-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PLAQUEMINE LA
2015-10-22 225-888-1XXX 1000–1999Assigned METROPCS, INC. 5562 BATONROUGE LA
2015-10-22 225-888-2XXX 2000–2999Assigned METROPCS, INC. 5562 BATONROUGE LA
2015-10-22 225-888-9XXX 9000–9999Assigned METROPCS, INC. 5562 BATONROUGE LA
2015-10-15 225-999-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
2015-10-15 225-999-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
2015-10-15 225-999-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
2015-10-15 225-999-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
2015-10-15 225-999-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BATONROUGE LA
2015-10-01 225-325-5XXX 5000–5999Assigned TELEPORT COMMUNICATIONS AMERICA LA - LLC 653C BATONROUGE LA
2015-10-01 225-353-3XXX 3000–3999Assigned TELEPORT COMMUNICATIONS AMERICA LA - LLC 653C BATONROUGE LA
2015-09-01 225-960-3XXX 3000–3999Assigned AT&T ENTERPRISES, LLC 516C BATONROUGE LA
2015-08-21 225-828-4XXX 4000–4999Assigned VOICESTREAM GSM I, LLC 150C GONZALES LA
2015-08-21 225-828-5XXX 5000–5999Assigned VOICESTREAM GSM I, LLC 150C GONZALES LA
2015-08-18 225-666-6XXX 6000–6999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-08-17 225-900-0XXX 0000–0999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-08-17 225-900-7XXX 7000–7999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-08-17 225-900-8XXX 8000–8999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-08-17 225-900-9XXX 9000–9999Assigned ONVOY, LLC - LA 749E BATONROUGE LA
2015-08-10 225-508-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J BATONROUGE LA
2015-07-27 225-217-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F NO CORNOR LA
2015-07-27 225-713-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - LA 153F NEW ROADS LA
2015-07-23 225-960-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 BATONROUGE LA
2015-07-23 225-960-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 BATONROUGE LA
2015-07-09 225-478-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J BATONROUGE LA
2015-07-08 225-508-0XXX 0000–0999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2015-07-08 225-508-5XXX 5000–5999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2015-07-08 225-508-6XXX 6000–6999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2015-07-08 225-508-8XXX 8000–8999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2015-07-08 225-508-9XXX 9000–9999Assigned VOICESTREAM GSM I, LLC 150C BATONROUGE LA
2015-06-29 225-503-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DENHAM SPG LA
2015-06-29 225-503-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DENHAM SPG LA
2015-06-29 225-503-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DENHAM SPG LA
2015-06-29 225-503-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DENHAM SPG LA
2015-06-29 225-503-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 DENHAM SPG LA
2015-06-17 225-960-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - LA 3232 BATONROUGE LA
2015-06-10 225-478-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J BATONROUGE LA
2015-06-10 225-478-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J 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.