NumberResearchThousands-blocks in 618-893
This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026
The ten 1,000-number thousand-blocks inside prefix 618-893 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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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2003-01-10 | 618-893-0XXX | 0000–0999 | Assigned | MCC NETWORK SERVICES, LLC | 9915 | COBDEN | IL |
| — | 618-893-1XXX | 1000–1999 | Reserved | FRONTIER NORTH, INC. - IL | 1015 | COBDEN | IL |
| — | 618-893-2XXX | 2000–2999 | Reserved | FRONTIER NORTH, INC. - IL | 1015 | COBDEN | IL |
| 2010-04-13 | 618-893-3XXX | 3000–3999 | Assigned | MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | 846F | COBDEN | IL |
| — | 618-893-4XXX | 4000–4999 | Reserved | FRONTIER NORTH, INC. - IL | 1015 | COBDEN | IL |
| 2019-08-09 | 618-893-5XXX | 5000–5999 | Assigned | ONVOY, LLC | 224C | COBDEN | IL |
| 2020-09-15 | 618-893-6XXX | 6000–6999 | Assigned | STRATUS NETWORKS | 495J | COBDEN | IL |
| 2018-09-21 | 618-893-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | COBDEN | IL |
| 2018-08-10 | 618-893-8XXX | 8000–8999 | Assigned | ONVOY, LLC | 224C | COBDEN | IL |
| 2020-06-02 | 618-893-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | COBDEN | IL |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.