NumberResearchRecent thousands-block assignments
0 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, all time — NPA 931
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 |
|---|---|---|---|---|---|---|---|
| 2010-09-17 | 931-313-0XXX | 0000–0999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | WINCHESTER | TN |
| 2010-09-10 | 931-244-9XXX | 9000–9999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | LAWRENCEBG | TN |
| 2010-09-10 | 931-288-8XXX | 8000–8999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | LEWISBURG | TN |
| 2010-09-10 | 931-450-9XXX | 9000–9999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | MANCHESTER | TN |
| 2010-09-10 | 931-557-7XXX | 7000–7999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | FAYETTEVL | TN |
| 2010-09-10 | 931-773-9XXX | 9000–9999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | SHELBYVL | TN |
| 2010-08-11 | 931-219-5XXX | 5000–5999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | CENTERVL | TN |
| 2010-08-11 | 931-264-6XXX | 6000–6999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | WAVERLY | TN |
| 2010-08-11 | 931-292-1XXX | 1000–1999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | PULASKI | TN |
| 2010-08-11 | 931-295-1XXX | 1000–1999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | HOHENWALD | TN |
| 2010-08-11 | 931-534-1XXX | 1000–1999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | DOVER | TN |
| 2010-08-11 | 931-614-3XXX | 3000–3999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | CLARKSVL | TN |
| 2010-08-11 | 931-632-6XXX | 6000–6999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | LYNCHBURG | TN |
| 2010-08-11 | 931-982-7XXX | 7000–7999 | Assigned | AENEAS COMMUNICATIONS, LLC - TN | 2891 | COLUMBIA | 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.