Codes in service in Northwest Territories
Northwest Territories has one geographic area code in service: 867, dated 21 Oct 1997 in NANPA's database.1 The Canadian administrator describes each code's coverage in the table.2 867 is on Central, Mountain and Pacific time.
| Area code | Administrator coverage | NPA in-service date | In-service overlay peers | Time zone | Local calls within the code |
|---|---|---|---|---|---|
| 867 | Northwest Territories, Nunavut, and Yukon | 21 Oct 1997 | None listed | Central, Mountain and Pacific | 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 Northwest Territories
NANPA lists no in-service overlay for 867.1
Dialing in Northwest Territories
Local calls within 867 are recorded as 10 digits. Local calls from 867 to other area codes are recorded as 10 digits.1
Neighbours of Northwest Territories
867 also appear on the pages for Nunavut and Yukon, because one code can serve several regions.
Regions that border Northwest Territories:
- Alberta: 5 codes (368, 403, 587, 780, ...)
- Saskatchewan: 3 codes (306, 474, 639)
Rules that apply to every region are on the area-code reference.
Further reading
Longer research pieces on this topic, each with its own source list and a downloadable PDF.
Articles on this topic
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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