579
Area code
QUEBEC
Canada geographic area code, in service since 2010-08-21. Part of the 354/450/579 overlay complex — ten-digit dialing required.
Statusin service
Introduced2010-08-21
JurisdictionQUEBEC, CANADA
Local dialing10D
Time zoneEastern
Last verified2026-09-17
Area codes serve rate-center geographies, not municipal boundaries. “QUEBEC” identifies the jurisdiction, not an exact city footprint.
Change history
Recorded events for this NPA- 2010-02-01 NPA 579 to Overlay NPA 450 (Québec, Canada)
- 2010-08-21Area code 579 entered service (created from 450).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2010-02-01 | PL-401 ↗ | NPA 579 to Overlay NPA 450 (Québec, Canada) |
| 2009-08-26 | PL-395 ↗ | NPA 579 to Overlay NPA 450 (Québec, Canada) |