NumberResearchRecent thousands-block assignments
0 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, all time — NPA 618
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2025-09-18 | 618-649-3XXX | 3000–3999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MOUNDS | IL |
| 2025-09-18 | 618-712-3XXX | 3000–3999 | Assigned | AT&T ENTERPRISES, LLC | 516C | THEBES | IL |
| 2025-09-18 | 618-742-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MOUND CITY | IL |
| 2025-09-18 | 618-747-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | TAMMS | IL |
| 2025-09-16 | 618-621-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | CAIRO | IL |
| 2024-07-16 | 618-360-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | HARMONY | IL |
| 2024-07-16 | 618-590-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | DIX | IL |
| 2024-07-16 | 618-725-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | VANDALIA | IL |
| 2024-07-16 | 618-880-2XXX | 2000–2999 | Assigned | AT&T ENTERPRISES, LLC | 516C | NASHVILLE | IL |
| 2015-05-15 | 618-661-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MCCLURE | IL |
| 2013-10-15 | 618-816-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MT VERNON | IL |
| 2011-10-04 | 618-589-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | O FALLON | IL |
| 2011-09-19 | 618-224-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | TRENTON | IL |
| 2011-09-19 | 618-391-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | GLENCARBON | IL |
| 2011-09-19 | 618-475-0XXX | 0000–0999 | Assigned | AT&T ENTERPRISES, LLC | 516C | NEW ATHENS | IL |
| 2011-09-19 | 618-489-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | EDGEMONT | IL |
| 2011-09-19 | 618-523-3XXX | 3000–3999 | Assigned | AT&T ENTERPRISES, LLC | 516C | GERMANTOWN | IL |
| 2011-09-19 | 618-526-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BREESE | IL |
| 2011-09-19 | 618-710-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | FREEBURG | IL |
| 2011-09-19 | 618-808-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | LEBANON | IL |
| 2011-09-19 | 618-844-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | CARLYLE | IL |
| 2011-09-19 | 618-918-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | CENTRALIA | IL |
| 2011-06-10 | 618-416-8XXX | 8000–8999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BELLEVILLE | IL |
| 2011-04-19 | 618-505-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | TROY | IL |
| 2011-04-14 | 618-255-9XXX | 9000–9999 | Assigned | AT&T ENTERPRISES, LLC | 516C | WOOD RIVER | IL |
| 2011-04-14 | 618-372-1XXX | 1000–1999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BRIGHTON | IL |
| 2011-04-14 | 618-479-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | SALEM | IL |
| 2011-04-14 | 618-547-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | KINMUNDY | IL |
| 2011-04-14 | 618-650-9XXX | 9000–9999 | Assigned | AT&T ENTERPRISES, LLC | 516C | EDWARDSVL | IL |
| 2011-04-14 | 618-690-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | GREENVILLE | IL |
| 2011-04-14 | 618-717-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BETHALTO | IL |
| 2011-04-14 | 618-823-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | GRANITE CY | IL |
| 2011-04-14 | 618-887-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | MARINE | IL |
| 2011-03-04 | 618-408-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BECKEMEYER | IL |
| 2009-12-08 | 618-574-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | AVISTON | IL |
| 2006-10-06 | 618-857-8XXX | 8000–8999 | Assigned | AT&T ENTERPRISES, LLC | 516C | E ST LOUIS | IL |
| 2006-03-23 | 618-726-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | O FALLON | IL |
| 2006-01-11 | 618-416-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | BELLEVILLE | IL |
| 2005-09-07 | 618-365-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | COLLINSVL | IL |
| 2005-09-07 | 618-374-6XXX | 6000–6999 | Assigned | AT&T ENTERPRISES, LLC | 516C | ALTON | IL |
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.