Recent prefix assignments
347 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/29/2026
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 |
|---|---|---|---|---|---|---|
| 2017-06-02 | 249-259 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Stroud | — |
| 2017-06-02 | 249-261 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Wasaga Beach | — |
| 2017-06-02 | 249-262 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Waubaushene | — |
| 2017-06-02 | 301-936 | 0–9 XXXall 10 · 3 holders which blocks → | TELNYX LLC | 073H | HAGERSTOWN | MD |
| 2017-06-02 | 312-438 | 0–9 XXXwhole prefix which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | CHICGOZN01 | IL |
| 2017-06-02 | 320-319 | 0–9 XXXall 10 · 4 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | CLEAR LAKE | MN |
| 2017-06-02 | 365-250 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Bradford | — |
| 2017-06-02 | 365-260 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Tottenham | — |
| 2017-06-02 | 365-658 | not yet reported which blocks → | Iristel Inc. | 154E | Milton | — |
| 2017-06-02 | 365-659 | not yet reported which blocks → | Iristel Inc. | 154E | Newmarket | — |
| 2017-06-02 | 579-991 | not yet reported which blocks → | Iristel Inc. | 154E | St-Jerome | — |
| 2017-06-02 | 579-993 | not yet reported which blocks → | Iristel Inc. | 154E | St-Lin | — |
| 2017-06-02 | 587-705 | not yet reported which blocks → | Iristel Inc. | 154E | Medicine Hat | — |
| 2017-06-02 | 810-428 | 0–9 XXXall 10 · 4 holders which blocks → | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDBLANC | MI |
| 2017-06-02 | 814-955 | 0–9 XXXall 10 · 8 holders which blocks → | VERIZON NORTH, INC. - PA | 0169 | JOHNSTOWN | PA |
| 2017-06-02 | 825-468 | not yet reported which blocks → | TELUS | 8084 | Edmonton | — |
| 2017-06-02 | 873-499 | not yet reported which blocks → | Iristel Inc. | 154E | Sherbrooke | — |
| 2017-06-02 | 878-355 | 0–9 XXXall 10 · 6 holders which blocks → | AERIAL COMMUNICATIONS, INC. | 6701 | UNIONTOWN | PA |
| 2017-06-01 | 219-216 | 0–9 XXXall 10 · 4 holders which blocks → | T-MOBILE USA, INC. | 6529 | VALPARAISO | IN |
| 2017-06-01 | 219-217 | 0XXX1XXX2XXX3XXX4XXX5XXX9XXX · 3 holders which blocks → | T-MOBILE USA, INC. | 6529 | WESTVILLE | IN |
| 2017-06-01 | 407-807 | 0–9 XXXall 10 · 5 holders which blocks → | VONAGE AMERICA LLC | 197D | SANFORD | FL |
| 2017-06-01 | 417-519 | 0XXX4XXX8XXX9XXX · 4 holders which blocks → | WINDSTREAM MISSOURI, INC. | 1885 | VERONA | MO |
| 2017-06-01 | 618-217 | 0–9 XXXall 10 · 6 holders which blocks → | T-MOBILE USA, INC. | 6529 | WOOD RIVER | IL |
| 2017-06-01 | 740-723 | 9XXX which blocks → | WINDSTREAM OHIO, LLC | 0665 | GRATIOT | OH |
| 2017-06-01 | 779-241 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 5 holders which blocks → | T-MOBILE USA, INC. | 6529 | MORRIS | IL |
| 2017-06-01 | 786-868 | 0–9 XXXall 10 · 4 holders which blocks → | VONAGE AMERICA LLC | 197D | MIAMI | FL |
| 2017-06-01 | 873-733 | not yet reported which blocks → | Iristel Inc. | 154E | Maniwaki | — |
| 2017-06-01 | 937-300 | 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | T-MOBILE USA, INC. | 6529 | EATON | OH |
| 2017-05-30 | 226-459 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Sauble Beach | — |
| 2017-05-30 | 226-495 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Thornbury | — |
| 2017-05-30 | 226-941 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Strathroy | — |
| 2017-05-30 | 226-942 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Parkhill | — |
| 2017-05-30 | 226-943 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Lucan | — |
| 2017-05-30 | 226-944 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Glencoe | — |
| 2017-05-30 | 226-945 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Exeter | — |
| 2017-05-30 | 226-947 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Dorchester | — |
| 2017-05-30 | 226-948 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Belmont | — |
| 2017-05-30 | 226-949 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Wiarton | — |
| 2017-05-30 | 226-951 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Markdale | — |
| 2017-05-30 | 226-952 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Hanover | — |
| 2017-05-30 | 226-953 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Durham | — |
| 2017-05-30 | 226-954 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Chesley | — |
| 2017-05-30 | 226-955 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Chatsworth | — |
| 2017-05-30 | 249-214 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Verner | — |
| 2017-05-30 | 249-215 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Sturgeon Falls | — |
| 2017-05-30 | 249-957 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Echo Bay | — |
| 2017-05-30 | 249-960 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Elliot Lake | — |
| 2017-05-30 | 249-961 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Goulais | — |
| 2017-05-30 | 249-962 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Iron Bridge | — |
| 2017-05-30 | 249-963 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | St. Joseph Island | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/29/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.