NumberResearchThousands-blocks in 615-656
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 615-656 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 615 blocks
Most active assignees, all time — NPA 615
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2014-09-25 | 615-656-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | FRANKLIN | TN |
| 2013-04-05 | 615-656-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | FRANKLIN | TN |
| — | 615-656-2XXX | 2000–2999 | Reserved | PAETEC ITEL, LLC | 829J | FRANKLIN | TN |
| 2005-02-02 | 615-656-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | FRANKLIN | TN |
| 2003-08-07 | 615-656-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | FRANKLIN | TN |
| 2005-09-28 | 615-656-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | FRANKLIN | TN |
| 2009-05-01 | 615-656-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | FRANKLIN | TN |
| 2011-03-28 | 615-656-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | FRANKLIN | TN |
| 2011-08-22 | 615-656-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | FRANKLIN | TN |
| 2010-09-10 | 615-656-9XXX | 9000–9999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | FRANKLIN | TN |
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.