942
Area code
ONTARIO
Canada geographic area code, in service since 2025-04-26. Part of the 416/437/647/942 overlay complex — ten-digit dialing required.
Split from 416.
Statusin service
Introduced2025-04-26
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- 2023-05-11 NPA 942 to Overlay NPA 416/437/647 (Toronto, Ontario)
- 2025-04-26Area code 942 entered service (created from 416).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2023-05-11 | PL-613 ↗ | NPA 942 to Overlay NPA 416/437/647 (Toronto, Ontario) |