NumberResearchRecent prefix assignments
0 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 |
|---|---|---|---|---|---|---|
| — | 330-213 | not yet reported which blocks → | SPOK, INC. | 6630 | AKRON | OH |
| — | 330-214 | not yet reported which blocks → | SPOK, INC. | 6630 | CANTON | OH |
| — | 330-218 | not yet reported which blocks → | SPOK, INC. | 6630 | CANTON | OH |
| — | 330-250 | not yet reported which blocks → | SPOK, INC. | 6630 | AKRON | OH |
| — | 330-254 | not yet reported which blocks → | SPOK, INC. | 6630 | WARREN | OH |
| — | 330-291 | not yet reported which blocks → | SPOK, INC. | 6630 | AKRON | OH |
| — | 330-292 | not yet reported which blocks → | SPOK, INC. | 6630 | CANTON | OH |
| — | 330-320 | not yet reported which blocks → | SPOK, INC. | 6630 | CANTON | OH |
| — | 330-380 | not yet reported which blocks → | SPOK, INC. | 6630 | YOUNGSTOWN | OH |
| — | 330-381 | not yet reported which blocks → | SPOK, INC. | 6630 | LISBON | OH |
| — | 330-404 | not yet reported which blocks → | SPOK, INC. | 6630 | YOUNGSTOWN | OH |
| — | 330-444 | not yet reported which blocks → | SPOK, INC. | 6630 | SALEM | OH |
| — | 330-613 | not yet reported which blocks → | SPOK, INC. | 6630 | YOUNGSTOWN | OH |
| — | 330-640 | not yet reported which blocks → | SPOK, INC. | 6630 | YOUNGSTOWN | OH |
| — | 330-710 | not yet reported which blocks → | SPOK, INC. | 6630 | AKRON | OH |
| — | 330-712 | not yet reported which blocks → | SPOK, INC. | 6630 | HARTVILLE | OH |
| — | 330-713 | not yet reported which blocks → | SPOK, INC. | 6630 | AKRON | OH |
| — | 330-820 | not yet reported which blocks → | SPOK, INC. | 6630 | YOUNGSTOWN | OH |
| — | 330-901 | not yet reported which blocks → | SPOK, INC. | 6630 | ALLIANCE | OH |
| — | 330-912 | not yet reported which blocks → | SPOK, INC. | 6630 | KENT | OH |
| — | 330-914 | not yet reported which blocks → | SPOK, INC. | 6630 | AKRON | OH |
| — | 330-955 | not yet reported which blocks → | SPOK, INC. | 6630 | CANTON | OH |
| — | 330-981 | not yet reported which blocks → | SPOK, INC. | 6630 | AKRON | OH |
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.