Area code

BRITISH COLUMBIA

Canada geographic area code, in service since 2025-05-24. Part of the 236/250/257/604/672/778 overlay complex — ten-digit dialing required.

Split from 604. Overlaid with 236, 672, 778 .

Statusin service

Introduced2025-05-24

JurisdictionBRITISH COLUMBIA, CANADA

Local dialing10D

Time zonePacific

Last verified2026-09-17

Area codes serve rate-center geographies, not municipal boundaries. “BRITISH COLUMBIA” identifies the jurisdiction, not an exact city footprint.

Change history

Recorded events for this NPA

2023-05-11 NPA 257 to Overlay NPA 236/250/604/672/778 (British Columbia) overlay
2025-05-24Area code 257 entered service (created from 604).

Primary documents

NANPA planning letters for area code 257
Date	Document	Subject
2023-05-11	PL-612 ↗	NPA 257 to Overlay NPA 236/250/604/672/778 (British Columbia)