NumberResearchThousands-blocks in 941-554
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
The ten 1,000-number thousand-blocks inside prefix 941-554 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 941 blocks
Most active assignees, all time — NPA 941
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| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| — | 941-554-0XXX | 0000–0999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | SARASOTA | FL |
| — | 941-554-1XXX | 1000–1999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | SARASOTA | FL |
| — | 941-554-2XXX | 2000–2999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | SARASOTA | FL |
| — | 941-554-3XXX | 3000–3999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | SARASOTA | FL |
| 2009-07-06 | 941-554-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | SARASOTA | FL |
| — | 941-554-5XXX | 5000–5999 | Reserved | TELEPORT COMMUNICATIONS AMERICA, LLC - FL | 8300 | SARASOTA | FL |
| 2008-05-16 | 941-554-6XXX | 6000–6999 | Assigned | YMAX COMMUNICATIONS CORP. - FL | 594D | SARASOTA | FL |
| 2008-02-15 | 941-554-7XXX | 7000–7999 | Assigned | YMAX COMMUNICATIONS CORP. - FL | 594D | SARASOTA | FL |
| 2007-12-27 | 941-554-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | SARASOTA | FL |
| 2013-07-30 | 941-554-9XXX | 9000–9999 | Assigned | IP HORIZON LLC | 515J | SARASOTA | FL |
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.