NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/26/2026
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 315
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-09-07 | 315-202-0XXX | 0000–0999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | WATERVILLE | NY |
| 2017-03-15 | 315-300-0XXX | 0000–0999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | CHAUMONT | NY |
| 2015-11-05 | 315-226-8XXX | 8000–8999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | NEWARK | NY |
| 2015-07-10 | 315-946-1XXX | 1000–1999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | LYONS | NY |
| 2012-08-27 | 315-585-5XXX | 5000–5999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | MACDOUGALL | NY |
| 2012-06-15 | 315-888-8XXX | 8000–8999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | AMBER | NY |
| 2012-03-28 | 315-318-0XXX | 0000–0999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | PHELPS | NY |
| 2012-03-20 | 315-332-6XXX | 6000–6999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | NEWARK | NY |
| 2012-02-17 | 315-612-3XXX | 3000–3999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | AUBURN | NY |
| 2010-05-26 | 315-673-6XXX | 6000–6999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | MARCELLUS | NY |
| 2010-03-04 | 315-459-7XXX | 7000–7999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | SYRACUSE | NY |
| 2010-03-04 | 315-567-0XXX | 0000–0999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | AUBURN | NY |
| 2008-10-22 | 315-787-0XXX | 0000–0999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | GENEVA | NY |
| 2008-09-04 | 315-856-8XXX | 8000–8999 | Assigned | FINGER LAKES TECHNOLOGIES GROUP, INC. - NY | 629E | WATERLOO | NY |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/26/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.