NumberResearchThousands-blocks in 518-804
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 518-804 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 518 blocks
Most active assignees, all time — NPA 518
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2016-08-10 | 518-804-0XXX | 0000–0999 | Assigned | PEERLESS NETWORK OF NEW YORK, LLC - NY | 155E | GLENSFALLS | NY |
| 2016-09-30 | 518-804-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | GLENSFALLS | NY |
| 2016-12-19 | 518-804-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | GLENSFALLS | NY |
| 2017-12-05 | 518-804-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | GLENSFALLS | NY |
| 2019-08-29 | 518-804-4XXX | 4000–4999 | Assigned | TC SYSTEMS, INC. - NY | 7140 | GLENSFALLS | NY |
| 2022-01-31 | 518-804-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY | 6959 | GLENSFALLS | NY |
| 2022-03-08 | 518-804-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | GLENSFALLS | NY |
| 2016-08-22 | 518-804-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | GLENSFALLS | NY |
| 2018-05-10 | 518-804-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | GLENSFALLS | NY |
| 2020-05-13 | 518-804-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | GLENSFALLS | NY |
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.