NumberResearchRecent thousands-block assignments
25 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
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 475
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
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-02-02 | 475-361-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | CHESHIRE | CT |
| 2024-01-31 | 475-353-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | FAIRFIELD | CT |
| 2024-01-31 | 475-353-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | FAIRFIELD | CT |
| 2024-01-31 | 475-353-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CT | 639C | FAIRFIELD | CT |
| 2024-01-30 | 475-324-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | TRUMBULL | CT |
| 2024-01-30 | 475-324-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | TRUMBULL | CT |
| 2024-01-30 | 475-324-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CT | 639C | TRUMBULL | CT |
| 2024-01-30 | 475-357-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2024-01-30 | 475-357-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2024-01-30 | 475-357-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2024-01-30 | 475-357-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2024-01-29 | 475-347-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | MERIDEN | CT |
| 2024-01-29 | 475-347-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | MERIDEN | CT |
| 2024-01-29 | 475-347-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CT | 639C | MERIDEN | CT |
| 2024-01-25 | 475-339-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CT | 639C | ANSONIDRBY | CT |
| 2024-01-25 | 475-342-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CT | 639C | ANSONIDRBY | CT |
| 2024-01-25 | 475-354-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | WATERBURY | CT |
| 2024-01-25 | 475-354-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | WATERBURY | CT |
| 2024-01-25 | 475-354-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CT | 639C | WATERBURY | CT |
| 2024-01-25 | 475-354-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CT | 639C | WATERBURY | CT |
| 2024-01-25 | 475-354-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CT | 639C | WATERBURY | CT |
| 2024-01-25 | 475-354-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CT | 639C | WATERBURY | CT |
| 2024-01-12 | 475-353-9XXX | 9000–9999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | FAIRFIELD | CT |
| 2024-01-11 | 475-349-3XXX | 3000–3999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | BRIDGEPORT | CT |
| 2024-01-11 | 475-349-9XXX | 9000–9999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | BRIDGEPORT | CT |
| 2024-01-11 | 475-352-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-11 | 475-352-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-10 | 475-317-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-10 | 475-317-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-10 | 475-317-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-10 | 475-339-4XXX | 4000–4999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | ANSONIDRBY | CT |
| 2024-01-10 | 475-339-5XXX | 5000–5999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | ANSONIDRBY | CT |
| 2024-01-10 | 475-375-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-10 | 475-375-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | NEW HAVEN | CT |
| 2024-01-10 | 475-850-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NORWALK | CT |
| 2024-01-05 | 475-290-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CT | 639C | DANBURY | CT |
| 2024-01-05 | 475-344-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CT | 639C | BRIDGEPORT | CT |
| 2024-01-05 | 475-344-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CT | 639C | BRIDGEPORT | CT |
| 2024-01-05 | 475-344-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CT | 639C | BRIDGEPORT | CT |
| 2024-01-05 | 475-344-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CT | 639C | BRIDGEPORT | CT |
| 2024-01-05 | 475-750-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CT | 639C | DANBURY | CT |
| 2023-12-28 | 475-347-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | MERIDEN | CT |
| 2023-12-27 | 475-317-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NEW HAVEN | CT |
| 2023-12-27 | 475-334-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | STAMFORD | CT |
| 2023-12-15 | 475-344-8XXX | 8000–8999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | 6388 | BRIDGEPORT | CT |
| 2023-12-08 | 475-335-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2023-12-08 | 475-335-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2023-12-08 | 475-340-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | OLDGRNWICH | CT |
| 2023-12-08 | 475-346-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | STAMFORD | CT |
| 2023-12-08 | 475-346-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CT | 639C | STAMFORD | CT |
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.