NumberResearchThousands-blocks in 618-899
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 618-899 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
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-12-07 | 618-899-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | MT VERNON | IL |
| 2012-06-21 | 618-899-1XXX | 1000–1999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | MT VERNON | IL |
| 2012-06-21 | 618-899-2XXX | 2000–2999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | MT VERNON | IL |
| 2012-06-21 | 618-899-3XXX | 3000–3999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | MT VERNON | IL |
| 2012-06-21 | 618-899-4XXX | 4000–4999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 7136 | MT VERNON | IL |
| 2009-10-05 | 618-899-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | MT VERNON | IL |
| 2012-09-10 | 618-899-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | MT VERNON | IL |
| 2012-02-28 | 618-899-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | MT VERNON | IL |
| — | 618-899-8XXX | 8000–8999 | Available | MT VERNON | IL | ||
| 2007-06-07 | 618-899-9XXX | 9000–9999 | Assigned | MCC NETWORK SERVICES, LLC | 075A | MT VERNON | 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.