NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 916-886

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 916-886 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 916 blocks

Most active assignees, all time — NPA 916
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 4
T-MOBILE USA, INC. 2
FIDIUM ENTERPRISE SERVICES, LLC 2
METROPCS, INC. 1
COMCAST PHONE OF CALIFORNIA, 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2017-03-16 916-886-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 RSVL MAIN CA
2017-07-20 916-886-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 RSVL MAIN CA
2016-09-23 916-886-2XXX 2000–2999Assigned FIDIUM ENTERPRISE SERVICES, LLC 3964 RSVL MAIN CA
2019-11-18 916-886-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 RSVL MAIN CA
2018-03-19 916-886-4XXX 4000–4999Assigned METROPCS, INC. 5562 RSVL MAIN CA
2016-09-23 916-886-5XXX 5000–5999Assigned FIDIUM ENTERPRISE SERVICES, LLC 3964 RSVL MAIN CA
2017-07-20 916-886-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 RSVL MAIN CA
2017-01-12 916-886-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 RSVL MAIN CA
2020-09-18 916-886-8XXX 8000–8999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L RSVL MAIN CA
2016-12-09 916-886-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 RSVL MAIN CA

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.