NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.

Most active assignees, all time — NPA 206
ONVOY, LLC - WA 72
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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
2022-11-23 206-865 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2022-10-12 206-828 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E RICHMNDBCH WA
2022-07-28 206-647 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E RICHMNDBCH WA
2022-07-11 206-804 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E BAINBDG IS WA
2022-06-21 206-814 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2022-05-23 206-704 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2022-04-04 206-360 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2021-08-10 206-848 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2021-06-04 206-844 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2021-03-31 206-690 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2021-01-27 206-970 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2021-01-19 206-656 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2020-12-30 206-649 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2020-09-29 206-672 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2020-06-15 206-614 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2020-05-29 206-558 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E BAINBDG IS WA
2020-05-29 206-589 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E RICHMNDBCH WA
2019-04-25 206-385 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2019-01-09 206-825 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E BAINBDG IS WA
2017-09-07 206-536 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2016-05-04 206-565 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - WA 483E BAINBDG IS WA
2016-03-25 206-717 0–9 XXXall 10 · 7 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2016-03-10 206-460 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - WA 483E DES MOINES WA
2016-03-10 206-472 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2015-11-25 206-775 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2015-11-19 206-207 0–9 XXXwhole prefix which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2015-06-17 206-900 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2013-10-23 206-946 0–9 XXXall 10 · 6 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2012-03-12 206-209 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2011-12-16 206-639 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2008-08-01 206-414 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2007-05-07 206-307 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
2006-11-17 206-497 0XXX1XXX7XXX · 2 holders which blocks → ONVOY, LLC - WA 483E RICHMNDBCH WA
2006-09-21 206-451 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - WA 483E BAINBDG IS WA
2006-03-09 206-420 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-202 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-203 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-208 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-210 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-222 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-237 not yet reported which blocks → ONVOY, LLC - WA 483E RICHMNDBCH WA
— 206-238 not yet reported which blocks → ONVOY, LLC - WA 483E BAINBDG IS WA
— 206-260 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-278 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-279 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-299 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-309 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-312 not yet reported which blocks → ONVOY, LLC - WA 483E BAINBDG IS WA
— 206-333 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA
— 206-337 not yet reported which blocks → ONVOY, LLC - WA 483E SEATTLE WA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.