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 478
New assignments by month
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2008-03-19 | 478-287-3XXX | 3000–3999 | Assigned | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | PERRY | GA |
| 2005-06-09 | 478-575-3XXX | 3000–3999 | Assigned | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | WRIGHTSVL | GA |
| 2004-09-03 | 478-285-3XXX | 3000–3999 | Assigned | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | EASTMAN | GA |
| 2003-10-09 | 478-285-1XXX | 1000–1999 | Assigned | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | EASTMAN | GA |
| 2003-10-09 | 478-298-1XXX | 1000–1999 | Assigned | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | COCHRAN | GA |
| 2003-08-04 | 478-247-2XXX | 2000–2999 | Assigned | SOUTHERN COMMUNICATIONS SERVICES, INC. | 6744 | SANDERSVL | GA |
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.