NumberResearchThousands-blocks in 618-740
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 618-740 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2004-08-04 | 618-740-0XXX | 0000–0999 | Assigned | WABASH INDEPENDENT NETWORKS, INC DBA WABASH COMM | 772H | SALEM | IL |
| 2006-05-16 | 618-740-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | SALEM | IL |
| 2016-03-03 | 618-740-2XXX | 2000–2999 | Assigned | ONVOY, LLC | 224C | SALEM | IL |
| 2016-08-22 | 618-740-3XXX | 3000–3999 | Assigned | ONVOY, LLC | 224C | SALEM | IL |
| 2005-02-14 | 618-740-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | SALEM | IL |
| 2015-09-08 | 618-740-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | SALEM | IL |
| 2016-08-22 | 618-740-6XXX | 6000–6999 | Assigned | ONVOY, LLC | 224C | SALEM | IL |
| 2012-12-11 | 618-740-7XXX | 7000–7999 | Assigned | MCC NETWORK SERVICES, LLC | 075A | SALEM | IL |
| 2007-11-08 | 618-740-8XXX | 8000–8999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | SALEM | IL |
| 2024-04-09 | 618-740-9XXX | 9000–9999 | Assigned | ONVOY, LLC | 224C | SALEM | 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.