Telephone number architecture

This dataset provides the format of telephone numbers in Canada based on the Canadian Numbering and Dialling Plan from the Canadian Numbering Administrator. This dataset also aligns with the ITU-T E.164 and the North American Numbering Plan.

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Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 21:27 (UTC)
Created April 17, 2026, 21:27 (UTC)
contact_email CPDI@tbs-sct.gc.ca
contact_person {}
criticality_level ["business", "general_public", "government"]
data_dictionary []
geographic_scope []
open_canada_collection primary
open_canada_date_published 2024-05-30 00:00:00
open_canada_keywords {"en": ["reference data", "telephone"], "fr": ["données de référence", "téléphone"]}
open_canada_subject ["government_and_politics"]
sensitivity_level unrestricted
title_fr Architecture du numéro de téléphone
update_frequency as_needed