NumberResearchRecent thousands-block assignments
5 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 203
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-17 | 203-660-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CT | 639C | BYRAM | CT |
| 2026-09-09 | 203-516-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CT | 639C | ANSONIDRBY | CT |
| 2026-09-03 | 203-433-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CT | 639C | BRANFORD | CT |
| 2026-08-27 | 203-701-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2026-08-27 | 203-713-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2026-08-06 | 203-871-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CT | 639C | BRANFORD | CT |
| 2026-07-31 | 203-837-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | 6388 | DANBURY | CT |
| 2026-07-21 | 203-280-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | DARIEN | CT |
| 2026-07-08 | 203-713-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CT | 639C | MILFORD | CT |
| 2025-12-16 | 203-714-3XXX | 3000–3999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | NAUGATUCK | CT |
| 2025-12-12 | 203-842-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CT | 639C | NORWALK | CT |
| 2025-09-22 | 203-571-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WESTPORT | CT |
| 2025-09-04 | 203-660-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BYRAM | CT |
| 2025-09-04 | 203-872-8XXX | 8000–8999 | Assigned | ONVOY SPECTRUM, LLC | 624H | CHESHIRE | CT |
| 2025-09-04 | 203-884-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GUILFORD | CT |
| 2025-09-04 | 203-935-9XXX | 9000–9999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MERIDEN | CT |
| 2025-09-04 | 203-954-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | ANSONIDRBY | CT |
| 2025-07-16 | 203-242-2XXX | 2000–2999 | Assigned | HD CARRIER LLC | 321J | HUNTINGTON | CT |
| 2025-06-30 | 203-529-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WILTON | CT |
| 2025-06-30 | 203-616-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DANBURY | CT |
| 2025-06-30 | 203-692-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | FAIRFIELD | CT |
| 2025-06-30 | 203-713-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | MILFORD | CT |
| 2025-03-11 | 203-669-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | DARIEN | CT |
| 2025-03-11 | 203-714-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NAUGATUCK | CT |
| 2025-03-11 | 203-718-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CHESHIRE | CT |
| 2025-03-11 | 203-816-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | TRUMBULL | CT |
| 2025-03-11 | 203-896-9XXX | 9000–9999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - CT | 6624 | MADISON | CT |
| 2025-03-11 | 203-930-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GREENWICH | CT |
| 2025-03-10 | 203-646-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | BRANFORD | CT |
| 2025-02-07 | 203-242-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | HUNTINGTON | CT |
| 2024-12-06 | 203-487-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - CT | 199F | STAMFORD | CT |
| 2024-09-24 | 203-660-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BYRAM | CT |
| 2024-09-24 | 203-660-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | BYRAM | CT |
| 2024-09-24 | 203-714-5XXX | 5000–5999 | Assigned | ONVOY SPECTRUM, LLC | 624H | NAUGATUCK | CT |
| 2024-09-24 | 203-716-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | NEW CANAAN | CT |
| 2024-09-24 | 203-896-2XXX | 2000–2999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MADISON | CT |
| 2024-09-24 | 203-896-3XXX | 3000–3999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MADISON | CT |
| 2024-09-24 | 203-935-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | MERIDEN | CT |
| 2024-09-18 | 203-203-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-5XXX | 5000–5999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-09-18 | 203-203-9XXX | 9000–9999 | Assigned | ONVOY, LLC - CT | 639C | GREENWICH | CT |
| 2024-05-01 | 203-884-4XXX | 4000–4999 | Assigned | ONVOY SPECTRUM, LLC | 624H | GUILFORD | CT |
| 2024-02-02 | 203-202-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CT | 639C | DARIEN | 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.