NumberResearchThousands-blocks in 607-398
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 607-398 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 607 blocks
Most active assignees, all time — NPA 607
New assignments by month
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-12-29 | 607-398-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - NY | 997E | ELMIRA | NY |
| 2009-01-14 | 607-398-1XXX | 1000–1999 | Assigned | OMNIPOINT COMMUNICATIONS, INC. - NY | 6622 | ELMIRA | NY |
| 2007-09-17 | 607-398-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | ELMIRA | NY |
| 2006-10-10 | 607-398-3XXX | 3000–3999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | ELMIRA | NY |
| 2006-07-27 | 607-398-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ELMIRA | NY |
| 2007-11-19 | 607-398-5XXX | 5000–5999 | Assigned | RINGSQUARED TELECOM LLC | 8249 | ELMIRA | NY |
| 2009-02-27 | 607-398-6XXX | 6000–6999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | ELMIRA | NY |
| — | 607-398-7XXX | 7000–7999 | Reserved | PAETEC ITEL, LLC | 829J | ELMIRA | NY |
| 2009-03-18 | 607-398-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | ELMIRA | NY |
| — | 607-398-9XXX | 9000–9999 | Reserved | PAETEC ITEL, LLC | 829J | ELMIRA | NY |
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.