NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 513-690

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

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

The ten 1,000-number thousand-blocks inside prefix 513-690 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 513 blocks

Most active assignees, all time — NPA 513
T-MOBILE USA, INC. 6
ONVOY, LLC - OH 3
1
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2021-05-15 513-690-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 SEVEN MILE OH
2021-05-15 513-690-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 SEVEN MILE OH
2021-05-15 513-690-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 SEVEN MILE OH
— 513-690-3XXX 3000–3999Available SEVEN MILE OH
2021-01-04 513-690-4XXX 4000–4999Assigned ONVOY, LLC - OH 464C SEVEN MILE OH
2021-01-04 513-690-5XXX 5000–5999Assigned ONVOY, LLC - OH 464C SEVEN MILE OH
2021-01-04 513-690-6XXX 6000–6999Assigned ONVOY, LLC - OH 464C SEVEN MILE OH
2020-07-20 513-690-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 SEVEN MILE OH
2020-07-20 513-690-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 SEVEN MILE OH
2020-07-20 513-690-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 SEVEN MILE OH

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.