NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

8 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 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2020-10-09 575-530-8XXX 8000–8999Assigned METROPCS, INC. 5562 CLOVIS NM
2020-10-08 575-210-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - NM 5470 TUCUMCARI NM
2020-10-05 575-363-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 ROSWELL NM
2020-10-05 575-500-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 ROSWELL NM
2020-10-05 575-500-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NM 6573 ROSWELL NM
2020-10-01 575-213-6XXX 6000–6999Assigned PEERLESS NETWORK OF NEW MEXICO, LLC - NM 377H ALAMOGORDO NM
2020-10-01 575-728-9XXX 9000–9999Assigned PEERLESS NETWORK OF NEW MEXICO, LLC - NM 377H HATCH NM
2020-09-29 575-385-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA NM-LLC 450C CUBA NM
2020-09-21 575-241-1XXX 1000–1999Assigned ONVOY, LLC - NM 206F HOBBS NM
2020-09-21 575-241-2XXX 2000–2999Assigned ONVOY, LLC - NM 206F HOBBS NM
2020-09-21 575-242-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F SILVERCITY NM
2020-09-21 575-242-5XXX 5000–5999Assigned ONVOY, LLC - NM 206F SILVERCITY NM
2020-09-21 575-250-2XXX 2000–2999Assigned ONVOY, LLC - NM 206F GALLINA NM
2020-09-21 575-250-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F GALLINA NM
2020-09-21 575-251-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F JAL NM
2020-09-21 575-251-4XXX 4000–4999Assigned ONVOY, LLC - NM 206F JAL NM
2020-09-21 575-254-1XXX 1000–1999Assigned ONVOY, LLC - NM 206F JEMEZ SPG NM
2020-09-21 575-254-2XXX 2000–2999Assigned ONVOY, LLC - NM 206F JEMEZ SPG NM
2020-09-21 575-255-1XXX 1000–1999Assigned ONVOY, LLC - NM 206F SAN YSIDRO NM
2020-09-21 575-255-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F SAN YSIDRO NM
2020-09-21 575-256-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F TIERRAAMRL NM
2020-09-21 575-256-4XXX 4000–4999Assigned ONVOY, LLC - NM 206F TIERRAAMRL NM
2020-09-21 575-305-7XXX 7000–7999Assigned ONVOY, LLC - NM 206F SNA TERESA NM
2020-09-21 575-338-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F LA MESA NM
2020-09-21 575-338-4XXX 4000–4999Assigned ONVOY, LLC - NM 206F LA MESA NM
2020-09-21 575-385-6XXX 6000–6999Assigned ONVOY, LLC - NM 206F CUBA NM
2020-09-21 575-385-8XXX 8000–8999Assigned ONVOY, LLC - NM 206F CUBA NM
2020-09-21 575-400-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F LINDRITH NM
2020-09-21 575-400-6XXX 6000–6999Assigned ONVOY, LLC - NM 206F LINDRITH NM
2020-09-21 575-414-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F LOVING NM
2020-09-21 575-414-5XXX 5000–5999Assigned ONVOY, LLC - NM 206F LOVING NM
2020-09-21 575-419-5XXX 5000–5999Assigned ONVOY, LLC - NM 206F DULCE NM
2020-09-21 575-419-6XXX 6000–6999Assigned ONVOY, LLC - NM 206F DULCE NM
2020-09-21 575-454-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F RUIDOSO NM
2020-09-21 575-454-4XXX 4000–4999Assigned ONVOY, LLC - NM 206F RUIDOSO NM
2020-09-21 575-502-7XXX 7000–7999Assigned ONVOY, LLC - NM 206F SNA TERESA NM
2020-09-21 575-577-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F EL RITO NM
2020-09-21 575-577-4XXX 4000–4999Assigned ONVOY, LLC - NM 206F EL RITO NM
2020-09-21 575-579-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F HILLSBORO NM
2020-09-21 575-579-4XXX 4000–4999Assigned ONVOY, LLC - NM 206F HILLSBORO NM
2020-09-21 575-600-2XXX 2000–2999Assigned ONVOY, LLC - NM 206F LYBROOK NM
2020-09-21 575-600-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F LYBROOK NM
2020-09-18 575-213-3XXX 3000–3999Assigned ONVOY, LLC - NM 206F ALAMOGORDO NM
2020-09-18 575-213-4XXX 4000–4999Assigned ONVOY, LLC - NM 206F ALAMOGORDO NM
2020-09-18 575-216-7XXX 7000–7999Assigned ONVOY, LLC - NM 206F ANGEL FIRE NM
2020-09-18 575-216-8XXX 8000–8999Assigned ONVOY, LLC - NM 206F ANGEL FIRE NM
2020-09-18 575-232-6XXX 6000–6999Assigned ONVOY, LLC - NM 206F CHAPARRAL NM
2020-09-18 575-232-7XXX 7000–7999Assigned ONVOY, LLC - NM 206F CHAPARRAL NM
2020-09-18 575-262-5XXX 5000–5999Assigned ONVOY, LLC - NM 206F ANTHONY NM
2020-09-18 575-262-6XXX 6000–6999Assigned ONVOY, LLC - NM 206F ANTHONY NM

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.