Thousands-blocks in 234-277

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

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

The ten 1,000-number thousand-blocks inside prefix 234-277 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 234 blocks

Most active assignees, all time — NPA 234

T-MOBILE USA, INC. 3

ONVOY, LLC - OH 2

ONVOY SPECTRUM, LLC 2

TON80 COMMUNICATIONS, LLC 1

FRACTEL, LLC 1

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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2022-12-30	234-277-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH	6025	ALLIANCE	OH
2021-10-20	234-277-1XXX	1000–1999	Assigned	ONVOY SPECTRUM, LLC	624H	ALLIANCE	OH
2021-10-20	234-277-2XXX	2000–2999	Assigned	ONVOY SPECTRUM, LLC	624H	ALLIANCE	OH
2022-01-31	234-277-3XXX	3000–3999	Assigned	T-MOBILE USA, INC.	6529	ALLIANCE	OH
2022-01-31	234-277-4XXX	4000–4999	Assigned	T-MOBILE USA, INC.	6529	ALLIANCE	OH
2022-01-31	234-277-5XXX	5000–5999	Assigned	T-MOBILE USA, INC.	6529	ALLIANCE	OH
2020-10-20	234-277-6XXX	6000–6999	Assigned	ONVOY, LLC - OH	464C	ALLIANCE	OH
2020-02-13	234-277-7XXX	7000–7999	Assigned	FRACTEL, LLC	965H	ALLIANCE	OH
2020-10-20	234-277-8XXX	8000–8999	Assigned	ONVOY, LLC - OH	464C	ALLIANCE	OH
2021-04-21	234-277-9XXX	9000–9999	Assigned	TON80 COMMUNICATIONS, LLC	516J	ALLIANCE	OH

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.