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 |
|---|---|---|---|---|---|---|---|
| 2012-03-08 | 615-999-5XXX | 5000–5999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | NASHVILLE | TN |
| 2012-03-08 | 615-999-6XXX | 6000–6999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | NASHVILLE | TN |
| 2012-03-08 | 615-999-7XXX | 7000–7999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | NASHVILLE | TN |
| 2012-03-08 | 615-999-8XXX | 8000–8999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | NASHVILLE | TN |
| 2012-03-08 | 615-999-9XXX | 9000–9999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | NASHVILLE | TN |
| 2012-02-28 | 615-295-7XXX | 7000–7999 | Assigned | METROPCS, INC. | 5562 | MURFREESBO | TN |
| 2012-02-28 | 615-768-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | SMYRNA | TN |
| 2012-02-27 | 615-806-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | NASHVILLE | TN |
| 2012-02-27 | 615-806-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | NASHVILLE | TN |
| 2012-02-16 | 615-257-2XXX | 2000–2999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | LEBANON | TN |
| 2012-02-15 | 615-549-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | LEBANON | TN |
| 2012-02-10 | 615-617-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | MURFREESBO | TN |
| 2012-01-23 | 615-209-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2012-01-23 | 615-209-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2012-01-23 | 615-209-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2012-01-23 | 615-431-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | HENDERSNVL | TN |
| 2012-01-23 | 615-903-1XXX | 1000–1999 | Assigned | TENNESSEE TEL. CO. | 0575 | LAVERGNE | TN |
| 2012-01-04 | 615-486-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | CARTHAGE | TN |
| 2012-01-04 | 615-581-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | WHITEHOUSE | TN |
| 2011-12-19 | 615-209-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
| 2011-12-16 | 615-224-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | FRANKLIN | TN |
| 2011-12-16 | 615-436-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - TN | 124F | SPENCERMIL | TN |
| 2011-12-16 | 615-651-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | NASHVILLE | TN |
| 2011-12-16 | 615-678-1XXX | 1000–1999 | Assigned | COMCAST IP PHONE, LLC | 318J | NASHVILLE | TN |
| 2011-12-16 | 615-678-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | NASHVILLE | TN |
| 2011-12-16 | 615-678-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | NASHVILLE | TN |
| 2011-12-16 | 615-861-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | FRANKLIN | TN |
| 2011-12-16 | 615-984-7XXX | 7000–7999 | Assigned | COMCAST IP PHONE, LLC | 318J | SMYRNA | TN |
| 2011-12-06 | 615-295-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | MURFREESBO | TN |
| 2011-11-09 | 615-806-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-11-09 | 615-806-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-11-09 | 615-806-9XXX | 9000–9999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| 2011-11-04 | 615-295-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | MURFREESBO | TN |
| 2011-11-02 | 615-295-3XXX | 3000–3999 | Assigned | METROPCS, INC. | 5562 | MURFREESBO | TN |
| 2011-11-02 | 615-295-4XXX | 4000–4999 | Assigned | METROPCS, INC. | 5562 | MURFREESBO | TN |
| 2011-11-02 | 615-380-5XXX | 5000–5999 | Assigned | POWERTEL NASHVILLE LICENSES, INC. | 7476 | SPRINGFLD | TN |
| 2011-11-02 | 615-756-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | GOODLETSVL | TN |
| 2011-10-21 | 615-209-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
| 2011-10-21 | 615-209-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
| 2011-10-21 | 615-209-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
| 2011-10-21 | 615-209-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
| 2011-10-21 | 615-209-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN | 7977 | NASHVILLE | TN |
| 2011-10-21 | 615-570-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | DICKSON | TN |
| 2011-10-21 | 615-856-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-10-21 | 615-856-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-10-21 | 615-856-5XXX | 5000–5999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-10-21 | 615-856-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-10-21 | 615-856-7XXX | 7000–7999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-10-21 | 615-856-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| 2011-10-20 | 615-722-5XXX | 5000–5999 | Assigned | AT&T ENTERPRISES, LLC | 516C | EAGLEVILLE | 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.