NumberResearchRecent prefix assignments
341 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/27/2026
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
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2014-12-02 | 902-972 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Barrington | — |
| 2014-12-02 | 902-973 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Chester | — |
| 2014-12-02 | 902-974 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Digby | — |
| 2014-12-02 | 902-975 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Liverpool | — |
| 2014-12-02 | 902-983 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Musquodoboit Harbour | — |
| 2014-12-02 | 902-984 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Port Hawkesbury | — |
| 2014-12-02 | 902-985 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Shelburne | — |
| 2014-12-02 | 902-987 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Shubenacadie | — |
| 2014-12-02 | 902-994 | not yet reported which blocks → | Fido Solutions Inc. | 8820 | Windsor | — |
| 2014-12-02 | 903-290 | 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → | ONVOY, LLC - TX | 903C | TOM BEAN | TX |
| 2014-12-01 | 202-854 | 0–9 XXXall 10 · 2 holders which blocks → | LEVEL 3 TELECOM OF D.C., LLC - DC | 2801 | WSHNGTNZN1 | DC |
| 2014-12-01 | 346-202 | 0–9 XXXall 10 · 4 holders which blocks → | ONVOY, LLC - TX | 903C | BAMMEL | TX |
| 2014-12-01 | 442-254 | 0–9 XXXall 10 · 3 holders which blocks → | ONVOY, LLC - CA | 649C | FALLBROOK | CA |
| 2014-12-01 | 469-747 | 0–9 XXXall 10 · 5 holders which blocks → | ONVOY, LLC - TX | 903C | DE SOTO | TX |
| 2014-12-01 | 475-325 | 0–9 XXXall 10 · 5 holders which blocks → | BANDWIDTH.COM CLEC, LLC - CT | 199F | GEORGETOWN | CT |
| 2014-12-01 | 509-598 | 0–9 XXXall 10 · 6 holders which blocks → | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7173 | SPOKANE | WA |
| 2014-12-01 | 510-942 | 0–9 XXXall 10 · 5 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7145 | RICHMOND | CA |
| 2014-12-01 | 530-552 | 0–9 XXXall 10 · 5 holders which blocks → | T-MOBILE USA, INC. | 6529 | OROVILLE | CA |
| 2014-12-01 | 708-866 | 0–9 XXXall 10 · 2 holders which blocks → | ONVOY, LLC | 224C | LA GRANGE | IL |
| 2014-12-01 | 727-314 | 0–9 XXXall 10 · 3 holders which blocks → | METROPCS, INC. | 5562 | CLEARWATER | FL |
| 2014-12-01 | 818-805 | 0–9 XXXall 10 · 5 holders which blocks → | ONVOY, LLC - CA | 649C | CANOGAPARK | CA |
| 2014-12-01 | 929-346 | 0–9 XXXall 10 · 4 holders which blocks → | PEERLESS NETWORK OF NEW YORK, LLC - NY | 155E | NWYRCYZN08 | NY |
| 2014-12-01 | 929-348 | 0–9 XXXall 10 · 6 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY | 7133 | NWYRCYZN04 | NY |
| 2014-12-01 | 956-559 | 0–9 XXXall 10 · 2 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BROWNSVL | TX |
| 2014-11-30 | 509-319 | 0–9 XXXall 10 · 4 holders which blocks → | PEERLESS NETWORK OF WASHINGTON, LLC - WA | 159F | SPOKANE | WA |
| 2014-11-27 | 715-315 | 3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | WISCOSNRPD | WI |
| 2014-11-27 | 715-618 | 0XXX1XXX2XXX3XXX4XXX8XXX9XXX which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | ANTIGO | WI |
| 2014-11-27 | 715-660 | 1XXX2XXX3XXX4XXX5XXX7XXX9XXX · 5 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | MARSHFIELD | WI |
| 2014-11-26 | 236-595 | not yet reported which blocks → | TELUS Mobility | 8301 | Kelowna | — |
| 2014-11-26 | 236-596 | not yet reported which blocks → | TELUS Mobility | 8301 | Spences Bridge | — |
| 2014-11-26 | 289-591 | not yet reported which blocks → | TELUS Mobility | 8303 | Ajax-Pickering | — |
| 2014-11-26 | 346-201 | 0–9 XXXall 10 · 3 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX | 7239 | HOUSTON | TX |
| 2014-11-26 | 469-661 | 0–9 XXXall 10 · 3 holders which blocks → | ONVOY, LLC - TX | 903C | PLANO | TX |
| 2014-11-26 | 587-595 | not yet reported which blocks → | TELUS Mobility | 8301 | Calgary | — |
| 2014-11-26 | 682-314 | 0–9 XXXall 10 · 3 holders which blocks → | SOUTHWESTERN BELL | 9533 | ARLINGTON | TX |
| 2014-11-26 | 813-575 | 0–9 XXXall 10 · 3 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - FL | 4802 | TAMPANTH | FL |
| 2014-11-26 | 813-607 | 0–9 XXXall 10 · 3 holders which blocks → | AERIAL COMMUNICATIONS, INC. | 6701 | TAMPANTH | FL |
| 2014-11-26 | 831-200 | 0–9 XXXall 10 · 4 holders which blocks → | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | MONTEREY | CA |
| 2014-11-25 | 210-919 | 0–9 XXXwhole prefix which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX |
| 2014-11-25 | 210-931 | 0–9 XXXwhole prefix which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX |
| 2014-11-25 | 213-335 | 0–9 XXXall 10 · 4 holders which blocks → | ONVOY, LLC - CA | 649C | LSAN DA 01 | CA |
| 2014-11-25 | 469-657 | 0–9 XXXall 10 · 2 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDPRARI | TX |
| 2014-11-25 | 475-434 | 0–9 XXXall 10 · 4 holders which blocks → | METROPCS, INC. | 5562 | NEW HAVEN | CT |
| 2014-11-25 | 510-753 | 0–9 XXXall 10 · 2 holders which blocks → | T-MOBILE USA, INC. | 6529 | OKLD TRNID | CA |
| 2014-11-25 | 512-839 | 0–9 XXXwhole prefix which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2014-11-25 | 512-975 | 0–9 XXXall 10 · 3 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | AUSTIN | TX |
| 2014-11-25 | 571-789 | 0–9 XXXall 10 · 4 holders which blocks → | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 6855 | WSNGTNZN19 | VA |
| 2014-11-25 | 586-514 | 0–9 XXXwhole prefix which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | MT CLEMENS | MI |
| 2014-11-25 | 586-683 | 0–9 XXXwhole prefix which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | MT CLEMENS | MI |
| 2014-11-25 | 586-765 | 0–9 XXXall 10 · 3 holders which blocks → | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | MT CLEMENS | MI |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/27/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.