NumberResearchRecent thousands-block assignments
7 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, last 30 days — NPA 615
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2011-04-19 | 615-807-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN |
| 2011-04-19 | 615-900-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | MURFREESBO | TN |
| 2011-04-19 | 615-900-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | MURFREESBO | TN |
| 2011-04-19 | 615-900-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | MURFREESBO | TN |
| 2011-04-19 | 615-939-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-04-19 | 615-939-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-04-15 | 615-970-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
| 2011-04-14 | 615-689-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-689-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-04-14 | 615-900-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | MURFREESBO | TN |
| 2011-04-14 | 615-900-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | MURFREESBO | TN |
| 2011-04-12 | 615-318-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | SMITHVILLE | TN |
| 2011-04-07 | 615-241-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | NSPRINGHIL | TN |
| 2011-03-28 | 615-656-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | FRANKLIN | TN |
| 2011-03-10 | 615-240-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | OLDHICKORY | TN |
| 2011-03-10 | 615-592-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | TRIUNE | TN |
| 2011-03-04 | 615-601-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-03-04 | 615-601-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-03-04 | 615-601-6XXX | 6000–6999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-03-04 | 615-601-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-03-04 | 615-601-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-03-04 | 615-601-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | NASHVILLE | TN |
| 2011-03-01 | 615-927-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-03-01 | 615-927-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-03-01 | 615-927-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-03-01 | 615-927-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-03-01 | 615-927-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-03-01 | 615-927-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-03-01 | 615-927-7XXX | 7000–7999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-02-23 | 615-492-7XXX | 7000–7999 | Assigned | AT&T ENTERPRISES, LLC | 516C | VANLEER | TN |
| 2011-02-23 | 615-798-1XXX | 1000–1999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN |
| 2011-02-23 | 615-798-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN |
| 2011-02-23 | 615-798-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN |
| 2011-02-23 | 615-798-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | FRANKLIN | TN |
| 2011-02-23 | 615-900-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | MURFREESBO | TN |
| 2011-02-17 | 615-326-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | DICKSON | TN |
| 2011-02-17 | 615-348-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | HENDERSNVL | TN |
| 2011-02-17 | 615-380-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | SPRINGFLD | TN |
| 2011-02-17 | 615-395-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | TRIUNE | TN |
| 2011-02-17 | 615-461-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | GALLATIN | TN |
| 2011-02-17 | 615-549-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | LEBANON | TN |
| 2011-02-17 | 615-559-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | GOODLETSVL | TN |
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.