NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

13 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 228
ONVOY, LLC - MS 9
OPENTACT INC. 1
INTRADO COMMUNICATIONS, LLC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 1
AHOI LLC 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
2020-08-17 228-367-4XXX 4000–4999Assigned ONVOY, LLC - MS 719E GULFPORT MS
2020-08-17 228-367-5XXX 5000–5999Assigned ONVOY, LLC - MS 719E GULFPORT MS
2020-08-17 228-367-6XXX 6000–6999Assigned ONVOY, LLC - MS 719E GULFPORT MS
2020-08-17 228-367-8XXX 8000–8999Assigned ONVOY, LLC - MS 719E GULFPORT MS
2020-07-29 228-354-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-354-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-354-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-354-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-354-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-354-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-354-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-386-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-386-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-386-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-386-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-29 228-386-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BILOXI MS
2020-07-27 228-231-8XXX 8000–8999Assigned ONVOY, LLC - MS 719E BAYSTLOUIS MS
2020-07-27 228-332-9XXX 9000–9999Assigned ONVOY, LLC - MS 719E PASSCHRSTN MS
2020-07-27 228-356-3XXX 3000–3999Assigned ONVOY, LLC - MS 719E HURLEY MS
2020-07-27 228-356-4XXX 4000–4999Assigned ONVOY, LLC - MS 719E HURLEY MS
2020-07-27 228-364-1XXX 1000–1999Assigned ONVOY, LLC - MS 719E PASSCHRSTN MS
2020-07-27 228-395-8XXX 8000–8999Assigned ONVOY, LLC - MS 719E BAYSTLOUIS MS
2020-07-27 228-432-6XXX 6000–6999Assigned ONVOY, LLC - MS 719E BILOXI MS
2020-07-27 228-456-4XXX 4000–4999Assigned ONVOY, LLC - MS 719E BILOXI MS
2020-07-27 228-567-4XXX 4000–4999Assigned ONVOY, LLC - MS 719E PASCAGOULA MS
2020-07-27 228-567-5XXX 5000–5999Assigned ONVOY, LLC - MS 719E PASCAGOULA MS
2020-07-27 228-591-0XXX 0000–0999Assigned ONVOY, LLC - MS 719E VANCLEAVE MS
2020-07-27 228-591-2XXX 2000–2999Assigned ONVOY, LLC - MS 719E VANCLEAVE MS
2020-07-27 228-666-0XXX 0000–0999Assigned ONVOY, LLC - MS 719E MOSS POINT MS
2020-07-27 228-666-1XXX 1000–1999Assigned ONVOY, LLC - MS 719E MOSS POINT MS
2020-07-27 228-707-2XXX 2000–2999Assigned ONVOY, LLC - MS 719E PEARLINGTN MS
2020-07-27 228-707-3XXX 3000–3999Assigned ONVOY, LLC - MS 719E PEARLINGTN MS
2020-07-27 228-800-2XXX 2000–2999Assigned ONVOY, LLC - MS 719E OCEAN SPG MS
2020-07-27 228-800-3XXX 3000–3999Assigned ONVOY, LLC - MS 719E OCEAN SPG MS
2020-07-21 228-333-2XXX 2000–2999Assigned FRACTEL, LLC 965H BILOXI MS
2020-07-21 228-333-4XXX 4000–4999Assigned FRACTEL, LLC 965H BILOXI MS
2020-07-21 228-333-5XXX 5000–5999Assigned FRACTEL, LLC 965H BILOXI MS
2020-07-21 228-422-2XXX 2000–2999Assigned FRACTEL, LLC 965H PASCAGOULA MS
2020-07-21 228-529-3XXX 3000–3999Assigned FRACTEL, LLC 965H BILOXI MS
2020-07-21 228-888-2XXX 2000–2999Assigned FRACTEL, LLC 965H PEARLINGTN MS
2020-07-21 228-888-4XXX 4000–4999Assigned FRACTEL, LLC 965H PEARLINGTN MS
2020-07-21 228-888-5XXX 5000–5999Assigned FRACTEL, LLC 965H PEARLINGTN MS
2020-07-21 228-888-7XXX 7000–7999Assigned FRACTEL, LLC 965H PEARLINGTN MS
2020-07-16 228-696-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 PASCAGOULA MS
2020-06-30 228-337-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 6396 BILOXI MS
2020-06-29 228-335-0XXX 0000–0999Assigned TELNYX LLC 073H TANNERWLMS MS
2020-06-17 228-300-7XXX 7000–7999Assigned ONVOY, LLC - MS 719E OCEAN SPG MS
2020-06-17 228-400-9XXX 9000–9999Assigned ONVOY, LLC - MS 719E BILOXI MS
2020-06-17 228-432-4XXX 4000–4999Assigned ONVOY, LLC - MS 719E BILOXI MS
2020-06-17 228-819-2XXX 2000–2999Assigned ONVOY, LLC - MS 719E OCEAN SPG MS

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.