NumberResearchRecent prefix assignments
338 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.
Most active assignees, last 30 days
New assignments by month
Sep 2026
Aug 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 254-729 | not yet reported which blocks → | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | GROESBECK | TX |
| — | 254-730 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-731 | 0XXX1XXX2XXX3XXX4XXX · 4 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | RISINGSTAR | TX |
| — | 254-732 | none assigned yet which blocks → | TWC IP ENABLED SERVICES, LLC | 793K | WACO | TX |
| — | 254-734 | none assigned yet which blocks → | TOTELCOM COMMUNICATIONS, LLC | 2060 | GORMAN | TX |
| — | 254-739 | 4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | SOUTHWESTERN BELL | 9533 | TEAGUE | TX |
| — | 254-741 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-742 | 6XXX which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-743 | 8XXX9XXX which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-744 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WACO | TX |
| — | 254-745 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-746 | 8XXX which blocks → | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | BREMOND | TX |
| — | 254-747 | 6XXX7XXX8XXX · 2 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | MEXIA | TX |
| — | 254-749 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | WACO | TX |
| — | 254-750 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-751 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-752 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-753 | 8XXX9XXX which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-754 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-755 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-756 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-757 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-758 | not yet reported which blocks → | TOTELCOM COMMUNICATIONS, LLC | 2060 | DESDEMONA | TX |
| — | 254-759 | 2XXX9XXX · 2 holders which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-760 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TEMPLE | TX |
| — | 254-761 | 0XXX7XXX9XXX · 3 holders which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-762 | not yet reported which blocks → | SPOK, INC. | 6630 | TEMPLE | TX |
| — | 254-764 | not yet reported which blocks → | ALENCO COMMUNICATIONS, INC. | 2090 | ALEXANDER | TX |
| — | 254-765 | 0XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | SOUTHWESTERN BELL | 9533 | WORTHAM | TX |
| — | 254-770 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-771 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-772 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-773 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-774 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-775 | 6XXX which blocks → | TEXAS WINDSTREAM, LLC | 2153 | LAKESIDVLG | TX |
| — | 254-776 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-778 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-780 | 0XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-785 | not yet reported which blocks → | ALENCO COMMUNICATIONS, INC. | 2090 | CARLTON | TX |
| — | 254-786 | 0XXX which blocks → | WINDSTREAM SUGAR LAND, LLC | 2147 | COOLIDGE | TX |
| — | 254-789 | 1XXX which blocks → | WINDSTREAM SUGAR LAND, LLC | 2147 | BEN HUR | TX |
| — | 254-791 | 3XXX5XXX8XXX9XXX · 4 holders which blocks → | SOUTHWESTERN BELL | 9533 | TEMPLE | TX |
| — | 254-793 | not yet reported which blocks → | BRIGHTSPEED OF TEXAS, INC. | 2114 | FLORENCE | TX |
| — | 254-796 | 6XXX which blocks → | BRIGHTSPEED OF EASTERN TEXAS, INC. | 2084 | HICO | TX |
| — | 254-797 | 6XXX which blocks → | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | WALNUT SPG | TX |
| — | 254-799 | not yet reported which blocks → | SOUTHWESTERN BELL | 9533 | WACO | TX |
| — | 254-803 | 0XXX4XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → | SOUTHWESTERN BELL | 9533 | MARLIN | TX |
| — | 254-804 | 2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | SOUTHWESTERN BELL | 9533 | MARLIN | TX |
| — | 254-808 | not yet reported which blocks → | SPOK, INC. | 6630 | WACO | TX |
| — | 254-811 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX |
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.