NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

3 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 610
ONVOY, LLC - PA 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 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
2004-07-27 610-885-3XXX 3000–3999Assigned ONVOY, LLC - PA 547E EAGLE PA
2004-07-27 610-885-4XXX 4000–4999Assigned ONVOY, LLC - PA 547E EAGLE PA
2004-07-27 610-885-5XXX 5000–5999Assigned ONVOY, LLC - PA 547E EAGLE PA
2004-07-27 610-885-6XXX 6000–6999Assigned ONVOY, LLC - PA 547E EAGLE PA
2004-07-27 610-885-7XXX 7000–7999Assigned ONVOY, LLC - PA 547E EAGLE PA
2004-07-27 610-886-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN22 PA
2004-07-27 610-886-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN22 PA
2004-07-27 610-886-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN22 PA
2004-07-27 610-886-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN22 PA
2004-07-27 610-886-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN22 PA
2004-07-27 610-886-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN22 PA
2004-07-27 610-886-8XXX 8000–8999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN22 PA
2004-07-27 610-887-2XXX 2000–2999Assigned ONVOY, LLC - PA 547E PHPHSBZN17 PA
2004-07-27 610-887-3XXX 3000–3999Assigned ONVOY, LLC - PA 547E PHPHSBZN17 PA
2004-07-27 610-887-4XXX 4000–4999Assigned ONVOY, LLC - PA 547E PHPHSBZN17 PA
2004-07-27 610-887-5XXX 5000–5999Assigned ONVOY, LLC - PA 547E PHPHSBZN17 PA
2004-07-27 610-887-6XXX 6000–6999Assigned ONVOY, LLC - PA 547E PHPHSBZN17 PA
2004-07-27 610-887-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN17 PA
2004-07-27 610-887-8XXX 8000–8999Assigned ONVOY, LLC - PA 547E PHPHSBZN17 PA
2004-07-27 610-956-2XXX 2000–2999Assigned ONVOY, LLC - PA 547E PHPHSBZN12 PA
2004-07-27 610-956-3XXX 3000–3999Assigned ONVOY, LLC - PA 547E PHPHSBZN12 PA
2004-07-27 610-956-4XXX 4000–4999Assigned ONVOY, LLC - PA 547E PHPHSBZN12 PA
2004-07-27 610-956-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN12 PA
2004-07-27 610-956-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PHPHSBZN12 PA
2004-07-27 610-956-7XXX 7000–7999Assigned ONVOY, LLC - PA 547E PHPHSBZN12 PA
2004-07-27 610-956-8XXX 8000–8999Assigned ONVOY, LLC - PA 547E PHPHSBZN12 PA
2004-07-20 610-537-1XXX 1000–1999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7309 PHPHSBZN14 PA
2004-07-19 610-441-3XXX 3000–3999Assigned METROPCS, INC. 5562 W CHESTER PA
2004-07-19 610-441-4XXX 4000–4999Assigned METROPCS, INC. 5562 W CHESTER PA
2004-07-19 610-441-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 W CHESTER PA
2004-07-14 610-297-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BETHLEHEM PA
2004-07-13 610-772-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PHPHSBZN31 PA
2004-07-06 610-492-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 PHPHSBZN22 PA
2004-04-21 610-772-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PHPHSBZN31 PA
2004-04-21 610-772-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PHPHSBZN31 PA
2004-04-16 610-454-3XXX 3000–3999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7315 COLLEGEVL PA
2004-04-16 610-620-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W CHESTER PA
2004-04-16 610-620-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W CHESTER PA
2004-04-16 610-620-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W CHESTER PA
2004-03-30 610-370-8XXX 8000–8999Assigned CTSI, INC. - PA 7513 READING PA
2004-02-17 610-406-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 READING PA
2004-02-17 610-406-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 READING PA
2004-02-17 610-406-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 READING PA
2004-02-17 610-739-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2004-02-17 610-739-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2004-02-17 610-739-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2004-02-17 610-739-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2004-02-17 610-739-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2004-02-17 610-841-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2004-01-30 610-536-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7315 PHPHSBZN21 PA

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.