NumberResearchThousands-blocks in 618-206
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026
The ten 1,000-number thousand-blocks inside prefix 618-206 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 618 blocks
Most active assignees, all time — NPA 618
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
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Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2020-11-18 | 618-206-0XXX | 0000–0999 | Assigned | STRATUS NETWORKS | 495J | O FALLON | IL |
| 2021-02-02 | 618-206-1XXX | 1000–1999 | Assigned | ONVOY, LLC | 224C | O FALLON | IL |
| 2002-09-18 | 618-206-2XXX | 2000–2999 | Assigned | PAETEC ITEL, LLC | 829J | O FALLON | IL |
| 2005-05-09 | 618-206-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | O FALLON | IL |
| — | 618-206-4XXX | 4000–4999 | Reserved | PAETEC ITEL, LLC | 829J | O FALLON | IL |
| 2006-10-26 | 618-206-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | O FALLON | IL |
| 2015-11-24 | 618-206-6XXX | 6000–6999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | O FALLON | IL |
| 2007-12-07 | 618-206-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | O FALLON | IL |
| 2005-06-09 | 618-206-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | O FALLON | IL |
| — | 618-206-9XXX | 9000–9999 | Available | O FALLON | 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.