Recent thousands-block assignments

307 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
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
2015-10-08 413-378-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHICOPEE MA
2015-10-08 475-292-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 STAMFORD CT
2015-10-08 603-417-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NASHUA NH
2015-10-08 732-639-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MIDDLETOWN NJ
2015-10-08 856-345-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WOODBURY NJ
2015-10-08 856-818-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WILLIAMSTN NJ
2015-10-08 908-739-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SUMMIT NJ
2015-10-07 276-971-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 RICHLANDS VA
2015-10-07 484-502-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 W CHESTER PA
2015-10-07 802-503-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BURLINGTON VT
2015-10-07 804-930-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHESTER VA
2015-10-06 908-266-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LINDEN NJ
2015-10-05 681-245-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHRLSTNZN1 WV
2015-10-05 681-313-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHRLSTNZN1 WV
2015-10-02 845-420-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEWBURGH NY
2015-10-01 413-768-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 GREENFIELD MA
2015-10-01 475-239-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TRUMBULL CT
2015-10-01 475-441-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEW HAVEN CT
2015-10-01 475-441-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEW HAVEN CT
2015-10-01 475-689-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WATERBURY CT
2015-10-01 551-254-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 UNION CITY NJ
2015-10-01 570-536-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CARBONDALE PA
2015-10-01 603-775-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 EXETER NH
2015-10-01 717-562-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HARISBGZN1 PA
2015-10-01 717-962-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CARLISLE PA
2015-10-01 774-368-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HYANNIS MA
2015-10-01 814-826-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 STATECOLLG PA
2015-10-01 860-733-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HARWINTON CT
2015-10-01 862-283-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BLOOMFIELD NJ
2015-10-01 978-793-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MAYNARD MA
2015-09-30 484-541-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 EASTON PA
2015-09-30 484-541-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 EASTON PA
2015-09-30 484-987-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 READING PA
2015-09-30 518-286-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 TROY NY
2015-09-30 518-802-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PLATTSBG NY
2015-09-30 518-871-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SARATOGSPG NY
2015-09-30 570-202-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 STROUDSBG PA
2015-09-30 585-416-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WATERPORT NY
2015-09-30 607-386-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 ONEONTA NY
2015-09-30 717-537-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LANDISVL PA
2015-09-30 774-534-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BARNSTABLE MA
2015-09-25 631-260-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BRENTWOOD NY
2015-09-25 631-332-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BRENTWOOD NY
2015-09-25 845-784-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NEWBURGH NY
2015-09-24 609-997-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PEMBERTON NJ
2015-09-24 609-997-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PEMBERTON NJ
2015-09-24 774-432-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 FRAMINGHAM MA
2015-09-24 774-432-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 FRAMINGHAM MA
2015-09-24 857-499-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 QUINCY MA
2015-09-24 978-573-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PEABODY MA

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.