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Contact the CNA

If this site does not answer all of your questions, please feel free to contact us with any comments or questions you may have.

Business Hours

Our official business hours are from 9:00 AM to 5:00 PM Eastern Time, Monday to Friday, excluding statutory holidays in the province of Ontario.





Electronic mail For all general inquiries For submission of all CO Code applications and correspondence (Part 1s, Part 2s and Part 4s) For applications and correspondence regarding other numbering resources including, but not limited to, Non-Geographic Codes, ESRDs, CICs, MNCs and MBIs
Note: Using the above email addresses will make sure that all the appropriate team members are included in your request and ensures that your request will be addressed in a timely manner if a specific team member is unavailable. It is not necessary to include individual staff member email addresses when corresponding with the above addresses.
CNA Program Manager: Kelly T. Walsh 613-702-0016 ext. 205
Central Office Code Manager: Suresh Khare 613-702-0016 ext. 201
Numbering Resource Administrator: Fiona Clegg 613-702-0016 ext. 202
Numbering Resource Administrator: Natalie Lessard 613-702-0016 ext. 203 (pour le service en Français)
Numbering Resource Administrator: David Comrie 613-702-0016 ext. 204
System Administrator: Pavel Bigarov 613-702-0016 ext. 206

Postal address

Canadian Numbering Administrator
150 Isabella Street, Suite 605
Ottawa, ON   K1S 5H3

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Privacy Policy      Website Terms of Use

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