519
Area code
ONTARIO
Canada geographic area code, in service since 1953-01-01. Part of the 226/382/519/548 overlay complex — ten-digit dialing required.
Statusin service
Introduced1953-01-01
JurisdictionONTARIO, CANADA
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Area codes serve rate-center geographies, not municipal boundaries. “ONTARIO” identifies the jurisdiction, not an exact city footprint.
Change history
Recorded events for this NPA- 2006-03-01 NPA 226 to Overlay NPA 519 (Southwestern Ontario, Canada)
- 1953-01-01Area code 519 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2006-03-01 | PL-350 ↗ | NPA 226 to Overlay NPA 519 (Southwestern Ontario, Canada) |
| 2004-11-15 | PL-343 ↗ | Supersedes Planning Letter 342 - NPA 226 to Overlay NPA 519 (Southwestern Ontario, Canada) |
| 2004-10-01 | PL-342 ↗ | NPA 226 to Overlay NPA 519 (Southwestern Ontario, Canada) |