NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

8 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 575
T-MOBILE USA, INC. 6
ONVOY, LLC - NM 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2010-11-15 575-562-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 PORTALES NM
2010-11-11 575-323-5XXX 5000–5999Assigned LEVEL 3 TELECOM OF NEW MEXICO, LLC - NM 7457 LAS CRUCES NM
2010-11-03 575-208-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F ROSWELL NM
2010-11-03 575-815-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 TUCUMCARI NM
2010-11-02 575-652-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAS CRUCES NM
2010-10-27 575-263-0XXX 0000–0999Assigned VALOR TELECOM TX,LP-NM #1 DBA WINDSTREAM COMM SW 1164 HOBBS NM
2010-10-11 575-808-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 RUIDOSO NM
2010-10-06 575-343-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 HATCH NM
2010-10-06 575-343-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 HATCH NM
2010-09-22 575-224-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 TAOS NM
2010-09-21 575-208-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ROSWELL NM
2010-09-21 575-495-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ALAMOGORDO NM
2010-09-21 575-502-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SNA TERESA NM
2010-09-21 575-513-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ARTESIA NM
2010-09-21 575-725-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CARLSBAD NM
2010-09-21 575-942-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HOBBS NM
2010-09-09 575-495-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 ALAMOGORDO NM
2010-09-03 575-305-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F SNA TERESA NM
2010-09-03 575-562-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F PORTALES NM
2010-08-17 575-520-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAS CRUCES NM
2010-08-10 575-448-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F CHAPARRAL NM
2010-08-09 575-268-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F CLOVIS NM
2010-08-09 575-446-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F ALAMOGORDO NM
2010-08-09 575-519-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F SILVERCITY NM
2010-07-15 575-652-5XXX 5000–5999Assigned ONVOY, LLC - NM 206F LAS CRUCES NM
2010-06-29 575-519-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NM 7464 SILVERCITY NM
2010-06-29 575-616-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NM 7464 ARTESIA NM
2010-06-15 575-652-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J LAS CRUCES NM
2010-06-15 575-652-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J LAS CRUCES NM
2010-06-01 575-904-2XXX 2000–2999Assigned QWEST CORPORATION 9636 CANNON AFB NM
2010-06-01 575-904-3XXX 3000–3999Assigned QWEST CORPORATION 9636 CANNON AFB NM
2010-06-01 575-904-4XXX 4000–4999Assigned QWEST CORPORATION 9636 CANNON AFB NM
2010-06-01 575-904-5XXX 5000–5999Assigned QWEST CORPORATION 9636 CANNON AFB NM
2010-06-01 575-904-6XXX 6000–6999Assigned QWEST CORPORATION 9636 CANNON AFB NM
2010-05-25 575-915-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAS CRUCES NM
2010-05-21 575-201-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F ANTHONY NM
2010-05-21 575-208-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F ROSWELL NM
2010-05-21 575-305-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F SNA TERESA NM
2010-05-21 575-562-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F PORTALES NM
2010-05-21 575-652-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F LAS CRUCES NM
2010-05-21 575-915-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F LAS CRUCES NM
2010-05-10 575-408-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 HOBBS NM
2010-05-06 575-323-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F LAS CRUCES NM
2010-04-27 575-912-5XXX 5000–5999Assigned QWEST CORPORATION 9636 BAYARD NM
2010-04-15 575-776-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 TAOS NM
2010-04-09 575-654-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 SILVERCITY NM
2010-02-26 575-562-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 PORTALES NM
2010-02-19 575-359-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 PORTALES NM
2010-02-17 575-268-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - NM 123F CLOVIS NM
2010-02-17 575-652-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 LAS CRUCES NM

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.