NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

5 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 240
BANDWIDTH.COM CLEC, LLC - MD 3
OPENTACT INC. 1
ONVOY, LLC - MD 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
2021-12-28 240-890-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H WSHNGTNZN5 MD
2021-12-28 240-902-8XXX 8000–8999Assigned TWILIO INTERNATIONAL, INC. 506J DAMASCS240 MD
2021-12-23 240-884-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H TOMPKINSVL MD
2021-12-23 240-884-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H TOMPKINSVL MD
2021-12-22 240-851-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H MCCOOLE MD
2021-12-22 240-851-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H MCCOOLE MD
2021-12-22 240-995-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H FLINTSTONE MD
2021-12-22 240-995-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H FLINTSTONE MD
2021-12-21 240-829-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H EMMITSBURG MD
2021-12-21 240-835-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H CLEAR SPG MD
2021-12-21 240-835-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H CLEAR SPG MD
2021-12-21 240-836-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H MT SAVAGE MD
2021-12-21 240-836-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H MT SAVAGE MD
2021-12-21 240-881-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H WSNG238Z13 MD
2021-12-21 240-881-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H WSNG238Z13 MD
2021-12-20 240-759-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H WSNG238Z15 MD
2021-12-20 240-759-5XXX 5000–5999Assigned ONVOY, LLC - MD 876D WSNG238Z15 MD
2021-12-20 240-824-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H FROSTBURG MD
2021-12-20 240-874-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H THURMONT MD
2021-12-20 240-874-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H THURMONT MD
2021-12-20 240-934-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H MIDDLETOWN MD
2021-12-20 240-934-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H MIDDLETOWN MD
2021-12-17 240-525-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H WSNG236Z15 MD
2021-12-17 240-689-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H WSNG236Z15 MD
2021-12-17 240-853-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H LAUREL236 MD
2021-12-17 240-875-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H MOUNT AIRY MD
2021-12-17 240-875-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H MOUNT AIRY MD
2021-12-16 240-331-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H WSHNGTNZN3 MD
2021-12-16 240-331-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H WSHNGTNZN3 MD
2021-12-16 240-371-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H WSNGTNZN12 MD
2021-12-16 240-371-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H WSNGTNZN12 MD
2021-12-16 240-869-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H WSNGTNZN10 MD
2021-12-16 240-869-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H WSNGTNZN10 MD
2021-12-16 240-922-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H WSNGTNZN11 MD
2021-12-16 240-922-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H WSNGTNZN11 MD
2021-12-10 240-891-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MD 6119 DAMASCS240 MD
2021-12-10 240-894-8XXX 8000–8999Assigned BOOST SUBSCRIBERCO L.L.C. 490J LXTNPKGRML MD
2021-12-07 240-854-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WSHNGTNZN4 MD
2021-12-07 240-854-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WSHNGTNZN4 MD
2021-12-07 240-854-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WSHNGTNZN4 MD
2021-12-07 240-890-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 6395 WSHNGTNZN5 MD
2021-12-06 240-887-2XXX 2000–2999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-887-3XXX 3000–3999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-887-4XXX 4000–4999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-887-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-887-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-887-7XXX 7000–7999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-887-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-887-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 ASHTON236 MD
2021-12-06 240-889-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WSNGTNZN10 MD

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.