450
Area code
QUEBEC
Canada geographic area code, in service since 1998-06-13. Part of the 354/450/579 overlay complex — ten-digit dialing required.
Split from 514. Created 579. Created 354. Overlaid with 354, 579 .
Statusin service
Introduced1998-06-13
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- 2022-04-20 NPA 354 to Overlay NPA 450/579 (area surrounding Montréal, Québec, Canada) - amending PL-589
- 2010-02-01 NPA 579 to Overlay NPA 450 (Québec, Canada)
- 1998-06-13Area code 450 entered service (created from 514).
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) |
| 1997-07-17 | PL-076 ↗ | NANP-Split of 514 (Quebec) Numbering Plan Area (NPA) |