NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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, all time — NPA 519
New assignments by month
Sep 2026
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Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2002-05-24 | 519-779 | not yet reported which blocks → | Persona Communications Inc. | 8202 | Aylmer | — |
| 2002-05-07 | 519-503 | not yet reported which blocks → | Bell Mobility | 6574 | Kitchener-Waterloo | — |
| 2002-03-25 | 519-719 | not yet reported which blocks → | TELUS Mobility | 8303 | London | — |
| 2002-03-20 | 519-706 | not yet reported which blocks → | TELUS Mobility | 8303 | Port Elgin | — |
| 2002-03-20 | 519-708 | not yet reported which blocks → | TELUS Mobility | 8303 | Port Elgin | — |
| 2002-03-14 | 519-943 | not yet reported which blocks → | Bell Canada | 8051 | Orangeville | — |
| 2002-03-12 | 519-718 | not yet reported which blocks → | Bell Mobility | 6574 | Simcoe | — |
| 2002-02-21 | 519-608 | not yet reported which blocks → | TELUS Mobility | 8303 | Woodstock | — |
| 2002-02-19 | 519-328 | not yet reported which blocks → | TELUS Mobility | 8303 | Sarnia | — |
| 2002-02-19 | 519-387 | not yet reported which blocks → | TELUS Mobility | 8303 | Owen Sound | — |
| 2002-01-25 | 519-386 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Port Elgin | — |
| 2002-01-11 | 519-312 | not yet reported which blocks → | Bell Mobility | 6574 | Sarnia | — |
| 2001-12-28 | 519-955 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Goderich | — |
| 2001-12-21 | 519-317 | not yet reported which blocks → | Bell Mobility | 6574 | London | — |
| 2001-12-21 | 519-379 | not yet reported which blocks → | Bell Mobility | 6574 | Owen Sound | — |
| 2001-12-21 | 519-965 | not yet reported which blocks → | Bell Mobility | 6574 | Windsor | — |
| 2001-12-20 | 519-270 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Owen Sound | — |
| 2001-11-01 | 519-346 | not yet reported which blocks → | Bell Canada | 8051 | Sarnia | — |
| 2001-11-01 | 519-370 | not yet reported which blocks → | Bell Canada | 8051 | Owen Sound | — |
| 2001-10-23 | 519-964 | not yet reported which blocks → | Zayo Canada Inc. | 8304 | London | — |
| 2001-10-19 | 519-702 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | London | — |
| 2001-10-05 | 519-992 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | Windsor | — |
| 2001-09-19 | 519-716 | not yet reported which blocks → | Bell Mobility | 6574 | Hespeler | — |
| 2001-08-07 | 519-401 | not yet reported which blocks → | Bell Mobility | 6574 | Chatham | — |
| 2001-08-07 | 519-502 | not yet reported which blocks → | Bell Mobility | 6574 | Kitchener-Waterloo | — |
| 2001-08-07 | 519-909 | not yet reported which blocks → | TELUS Mobility | 8303 | Simcoe | — |
| 2001-07-12 | 519-781 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | Kitchener-Waterloo | — |
| 2001-06-05 | 519-385 | not yet reported which blocks → | Bruce Municipal Telephone System | 8205 | Port Elgin | — |
| 2001-05-10 | 519-301 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Stratford | — |
| 2001-05-10 | 519-329 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Leamington | — |
| 2001-05-10 | 519-410 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Simcoe | — |
| 2001-05-10 | 519-550 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Tillsonburg | — |
| 2001-05-10 | 519-901 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Walkerton | — |
| 2001-04-11 | 519-318 | not yet reported which blocks → | Bell Mobility | 6574 | London | — |
| 2001-03-23 | 519-593 | not yet reported which blocks → | Bell Canada | 8051 | Kitchener-Waterloo | — |
| 2001-03-23 | 519-594 | not yet reported which blocks → | Bell Canada | 8051 | Kitchener-Waterloo | — |
| 2001-03-05 | 519-783 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Kitchener-Waterloo | — |
| 2001-02-28 | 519-968 | not yet reported which blocks → | TELUS Integrated Communications | 2782 | Windsor | — |
| 2001-02-01 | 519-996 | not yet reported which blocks → | Bell Mobility | 6574 | Windsor | — |
| 2001-01-25 | 519-546 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Guelph | — |
| 2001-01-25 | 519-817 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Windsor | — |
| 2001-01-25 | 519-933 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | London | — |
| 2001-01-24 | 519-319 | not yet reported which blocks → | Bell Mobility | 6574 | London | — |
| 2001-01-18 | 519-215 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Orangeville | — |
| 2001-01-15 | 519-497 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Kitchener-Waterloo | — |
| 2001-01-15 | 519-819 | not yet reported which blocks → | TELUS Mobility | 8303 | Windsor | — |
| 2000-10-31 | 519-325 | not yet reported which blocks → | Bell Canada | 8051 | Leamington | — |
| 2000-10-31 | 519-790 | not yet reported which blocks → | Bell Canada | 8051 | Windsor | — |
| 2000-10-31 | 519-808 | not yet reported which blocks → | TELUS Mobility | 8303 | London | — |
| 2000-10-19 | 519-732 | not yet reported which blocks → | Bell Mobility | 6574 | Brantford | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.