NumberResearchRecent prefix assignments
1 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026
The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 321-952 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MELBOURNE | FL |
| — | 321-953 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MELBOURNE | FL |
| — | 321-956 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MELBOURNE | FL |
| — | 321-958 | not yet reported which blocks → | FL | |||
| — | 321-959 | not yet reported which blocks → | FL | |||
| — | 321-960 | not yet reported which blocks → | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | COCOA | FL |
| — | 321-961 | not yet reported which blocks → | OMNIPOINT MIAMI E LICENSE, LLC | 6889 | COCOA | FL |
| — | 321-976 | not yet reported which blocks → | FL | |||
| — | 321-978 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | COCOA | FL |
| — | 321-984 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | MELBOURNE | FL |
| — | 321-985 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | COCOABEACH | FL |
| — | 321-986 | 6XXX7XXX9XXX · 2 holders which blocks → | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | COCOA | FL |
| — | 321-988 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX which blocks → | PEERLESS NETWORK OF FLORIDA, LLC - FL | 902E | EAU GALLIE | FL |
| — | 321-989 | 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | PAETEC ITEL, LLC | 829J | MELBOURNE | FL |
| — | 321-999 | 0–9 XXXall 10 · 3 holders which blocks → | METROPCS NETWORKS, LLC | 899D | SANFORD | FL |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.