NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026
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 716
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2019-12-05 | 716-295-4XXX | 4000–4999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | WILLIAMSVL | NY |
| 2015-08-05 | 716-402-3XXX | 3000–3999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | NIAGARAFLS | NY |
| 2014-06-12 | 716-324-4XXX | 4000–4999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | WESTSENECA | NY |
| 2013-12-30 | 716-539-3XXX | 3000–3999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | ORCHARD PK | NY |
| 2011-08-18 | 716-248-3XXX | 3000–3999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | BUFFALO | NY |
| 2010-02-01 | 716-245-2XXX | 2000–2999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | TONAWANDA | NY |
| 2009-08-10 | 716-932-5XXX | 5000–5999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | WILLIAMSVL | NY |
| 2009-01-14 | 716-935-6XXX | 6000–6999 | Assigned | LEVEL 3 TELECOM OF NEW YORK, LP - NY | 8473 | BUFFALO | NY |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.