NumberResearchThousands-blocks in 217-937
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 217-937 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 217 blocks
Most active assignees, last 30 days — NPA 217
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 217-937-0XXX | 0000–0999 | Available | CLINTON | IL | ||
| — | 217-937-1XXX | 1000–1999 | Reserved | FRONTIER NORTH, INC. - IL | 1015 | CLINTON | IL |
| — | 217-937-2XXX | 2000–2999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLINTON | IL |
| — | 217-937-3XXX | 3000–3999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLINTON | IL |
| — | 217-937-4XXX | 4000–4999 | Reserved | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CLINTON | IL |
| 2023-05-25 | 217-937-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CLINTON | IL |
| 2023-11-01 | 217-937-6XXX | 6000–6999 | Assigned | ONVOY, LLC | 224C | CLINTON | IL |
| 2022-03-10 | 217-937-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CLINTON | IL |
| 2026-09-17 | 217-937-8XXX | 8000–8999 | Assigned | ONVOY, LLC | 224C | CLINTON | IL |
| 2013-02-21 | 217-937-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | CLINTON | 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.