Recent thousands-block assignments

9 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 484
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
2016-12-30 484-659-8XXX 8000–8999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 READING PA
2016-12-30 484-659-9XXX 9000–9999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 READING PA
2016-12-27 484-473-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W CHESTER PA
2016-12-27 484-473-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W CHESTER PA
2016-12-21 484-915-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 AVONDALE PA
2016-12-09 484-516-3XXX 3000–3999Assigned SERVICE ELECTRIC TELEPHONE COMPANY, LLC 8320 READING PA
2016-12-07 484-861-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 ALLENTOWN PA
2016-12-07 484-861-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 ALLENTOWN PA
2016-12-06 484-516-5XXX 5000–5999Assigned METROPCS, INC. 5562 READING PA
2016-12-02 484-473-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J W CHESTER PA
2016-11-22 484-587-7XXX 7000–7999Assigned METROPCS, INC. 5562 POTTSTOWN PA
2016-11-18 484-482-0XXX 0000–0999Assigned ONVOY, LLC - PA 547E PHPHSBZN11 PA
2016-11-18 484-627-1XXX 1000–1999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 EASTON PA
2016-11-16 484-627-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 EASTON PA
2016-11-16 484-657-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 COATESVL PA
2016-11-16 484-861-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2016-11-14 484-500-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PUGHTOWN PA
2016-11-14 484-507-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 FLEETWOOD PA
2016-11-14 484-513-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J READING PA
2016-11-09 484-597-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 CATASAUQUA PA
2016-11-03 484-591-7XXX 7000–7999Assigned SERVICE ELECTRIC TELEPHONE COMPANY, LLC 8320 EASTON PA
2016-10-27 484-587-0XXX 0000–0999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 POTTSTOWN PA
2016-10-25 484-510-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BETHLEHEM PA
2016-10-25 484-510-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BETHLEHEM PA
2016-10-17 484-420-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J PHPHSBZN22 PA
2016-09-29 484-420-3XXX 3000–3999Assigned ONVOY, LLC - PA 547E PHPHSBZN22 PA
2016-09-29 484-420-5XXX 5000–5999Assigned ONVOY, LLC - PA 547E PHPHSBZN22 PA
2016-09-27 484-516-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 READING PA
2016-09-26 484-791-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 ROYERSFORD PA
2016-09-23 484-513-9XXX 9000–9999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 READING PA
2016-09-22 484-510-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 BETHLEHEM PA
2016-09-21 484-954-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2016-09-21 484-954-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ALLENTOWN PA
2016-09-09 484-591-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 EASTON PA
2016-09-08 484-462-8XXX 8000–8999Assigned ONVOY, LLC - PA 547E PHPHSBZN17 PA
2016-09-02 484-510-1XXX 1000–1999Assigned NUSO, LLC 551G BETHLEHEM PA
2016-09-02 484-510-2XXX 2000–2999Assigned NUSO, LLC 551G BETHLEHEM PA
2016-08-31 484-473-1XXX 1000–1999Assigned NUSO, LLC 551G W CHESTER PA
2016-08-31 484-473-2XXX 2000–2999Assigned NUSO, LLC 551G W CHESTER PA
2016-08-26 484-587-1XXX 1000–1999Assigned NUSO, LLC 551G POTTSTOWN PA
2016-08-26 484-587-2XXX 2000–2999Assigned NUSO, LLC 551G POTTSTOWN PA
2016-08-25 484-569-1XXX 1000–1999Assigned NUSO, LLC 551G COATESVL PA
2016-08-25 484-569-6XXX 6000–6999Assigned NUSO, LLC 551G COATESVL PA
2016-08-24 484-265-8XXX 8000–8999Assigned NUSO, LLC 551G SLATINGTON PA
2016-08-24 484-265-9XXX 9000–9999Assigned NUSO, LLC 551G SLATINGTON PA
2016-08-24 484-291-8XXX 8000–8999Assigned NUSO, LLC 551G NAZARETH PA
2016-08-24 484-292-9XXX 9000–9999Assigned NUSO, LLC 551G NAZARETH PA
2016-08-24 484-449-2XXX 2000–2999Assigned NUSO, LLC 551G PHPHSBZN12 PA
2016-08-24 484-449-3XXX 3000–3999Assigned NUSO, LLC 551G PHPHSBZN12 PA
2016-08-24 484-486-8XXX 8000–8999Assigned NUSO, LLC 551G PHPHSBZN11 PA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.