NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 978-598

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 978-598 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 978 blocks

Most active assignees, all time — NPA 978
PAETEC ITEL, LLC 5
LEVEL 3 COMMUNICATIONS, LLC - MA 2
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 1
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
— 978-598-0XXX 0000–0999Reserved PAETEC ITEL, LLC 829J CLINTON MA
— 978-598-1XXX 1000–1999Reserved PAETEC ITEL, LLC 829J CLINTON MA
— 978-598-2XXX 2000–2999Reserved PAETEC ITEL, LLC 829J CLINTON MA
2004-08-06 978-598-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MA 4018 CLINTON MA
— 978-598-4XXX 4000–4999Available CLINTON MA
2006-03-03 978-598-5XXX 5000–5999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J CLINTON MA
— 978-598-6XXX 6000–6999Reserved PAETEC ITEL, LLC 829J CLINTON MA
2006-03-31 978-598-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - MA 4018 CLINTON MA
2013-04-05 978-598-8XXX 8000–8999Assigned PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 268F CLINTON MA
— 978-598-9XXX 9000–9999Reserved PAETEC ITEL, LLC 829J CLINTON MA

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.