Manitoba area codes

Codes in service in Manitoba

Manitoba has 3 geographic area codes in service: 204, 431, 584. 204 is the oldest, dated 1947, and 584 the newest, dated 29 Oct 2022.1 The Canadian administrator describes each code's coverage in the table.2 All of Manitoba's codes are on Central time.

Area code	Administrator coverage	NPA in-service date	In-service overlay peers	Time zone	Local calls within the code
204	Manitoba	1947	431, 584	Central	10 digits
431	Manitoba	3 Nov 2012	204, 584	Central	10 digits
584	Manitoba	29 Oct 2022	204, 431	Central	10 digits

Scroll the table sideways to see every column. Sources: NANPA (14 October 2026 file) and the Canadian Numbering Administrator.

History and overlays in Manitoba

Before 1960: 204 (1947)
2010s: 431 (3 Nov 2012)
2020s: 584 (29 Oct 2022)

Manitoba's in-service overlay group is 204/431/584.1

204/431/584: 204 (1947) was joined by 431 on 3 Nov 2012 and 584 on 29 Oct 2022.

Dialing in Manitoba

Local calls within a single area code in Manitoba (204, 431, 584) are all recorded as 10 digits. From any of Manitoba's codes, local calls to another area code are all recorded as 10 digits.1

Neighbours of Manitoba

Regions that border Manitoba:

Ontario: 19 codes (226, 249, 289, 343, ...)
Saskatchewan: 3 codes (306, 474, 639)
Nunavut: 1 code (867)

Rules that apply to every region are on the area-code reference.

Get a number in Manitoba

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Sources

Every regulatory and pricing claim on this page links to the primary source it came from. Figures were checked on the date shown at the top of the page; rules and prices change, so verify before relying on one.

NANPA, NPA Database CSV, file dated 14 October 2026; in-service status, dates, overlay complexes, dialing plan and time zone. Retrieved 14 Oct 2026
https://reports.nanpa.com/public/npa_report.csv
Canadian Numbering Administrator, CO Code Status directory and coverage labels. Retrieved 14 Oct 2026
https://www.cnac.ca/co_codes/co_code_status.htm