Sender ID registration in Canada
What CRTC and the operators in Canada require for SMS sender IDs, how long approval takes, the accepted formats and sending rules, and how OmniChannels.ai registers yours.
- Registration
- Required
- Typical lead time
- 3–6 weeks (short codes, after txt.ca approval)
- Alphanumeric sender ID
- No
- Regulator
- CRTC
Short answer
Yes. Sender ID registration is required in Canada (short codes: application to txt.ca, carried only if at least two separately owned carriers agree; long-code requirements confirmed during onboarding). Approval typically takes 3–6 weeks (short codes, after txt.ca approval). Alphanumeric IDs are not used. OmniChannels.ai handles the filing across 3 operators and confirms current rules during onboarding.
Sender ID rules in Canada at a glance
| Regulator | Canadian Radio-television and Telecommunications Commission (CRTC) |
|---|---|
| Registration required | RequiredShort codes: application to txt.ca, carried only if at least two separately owned carriers agree; long-code requirements confirmed during onboarding |
| Typical lead time | 3–6 weeks (short codes, after txt.ca approval) |
| Alphanumeric sender ID | No |
| Numeric long code / short code | Yes, numeric senders are the standard (see accepted formats) |
| Accepted formats | Common short code or long code |
| Promotional sending hours | No regulator-published window foundAgree sending hours with the operator and schedule promotional sends for the recipient's local daytime; transactional traffic runs 24/7. |
| Opt-in | TCPA-compliant express written consent required for marketing. Transactional traffic permitted under the established-business-relationship exception. |
| Opt-out | STOP keyword honoured immediately and confirmed once. CTIA short-code monitoring audits compliance. |
| Operators we reach | Rogers, Bell Canada and Telus |
| Last reviewed | 1 October 2026Sources: CRTC, txt.ca |
How to register your sender ID in Canada through OmniChannels.ai
Sender ID registration fees are passed through at cost. We confirm the documents and the current rules for your traffic during onboarding.
Need the authorization letter?
Generate a ready-to-sign LOA or NOC for this country in English, Arabic or both. Free, and your details never leave your browser.
Generate your authorization letter- 1
Choose and check your sender ID
Decide which number type you will send from in Canada: common short code or long code.
- 2
Send us your company details and use case
Tell us the legal entity, brand and what each sender ID will send (OTP, transactional or promotional). We confirm which supporting documents are currently needed.
- 3
We file your registration
We prepare and submit the application. Current process in Canada: Short codes: application to txt.ca, carried only if at least two separately owned carriers agree; long-code requirements confirmed during onboarding.
- 4
Approval and test messages
Approval typically takes 3–6 weeks (short codes, after txt.ca approval). Once approved we send test messages on Rogers, Bell Canada and Telus and check the sender ID displays correctly.
- 5
Go live
Send through the REST API, SMPP or campaigns. Schedule promotional sends for the recipient's local daytime. Opt-out handling is applied to every promotional message.
Common reasons a sender ID is rejected in Canada
- Requesting an alphanumeric sender ID: Canada uses common short code or long code.
Run your proposed sender ID through the free sender ID checker, preselected for Canada, before you apply.
Register your sender ID in Canada
Send us your brand and use case. We file the sender ID for 3 operators, run the test messages and connect it to the same API, SMPP and campaign tools you use for every other market.
Sender ID in Canada: questions
Do I need to register a sender ID in Canada?
Yes. Short codes: application to txt.ca, carried only if at least two separately owned carriers agree; long-code requirements confirmed during onboarding. We submit it for you and confirm the current requirements during onboarding.
How long does sender ID registration take in Canada?
Typically 3–6 weeks (short codes, after txt.ca approval), depending on the registry and the documents provided. We confirm the current timeline for your sender ID during onboarding.
Can I use an alphanumeric sender ID in Canada?
No. Canada does not use alphanumeric sender IDs: common short code or long code.
When can I send promotional SMS in Canada?
There is no regulator-published window that we know of in Canada. Agree sending hours with the operator and schedule promotional sends for the recipient's local daytime; transactional traffic runs 24/7.
What consent and opt-out rules apply in Canada?
TCPA-compliant express written consent required for marketing. Transactional traffic permitted under the established-business-relationship exception. STOP keyword honoured immediately and confirmed once. CTIA short-code monitoring audits compliance.
Who regulates SMS sender IDs in Canada?
Canadian Radio-television and Telecommunications Commission (CRTC), together with the mobile operators (Rogers, Bell Canada and Telus). Official sources: CRTC, txt.ca.
Related for Canada
Sender ID registration in nearby markets
Data: BroadNet regulatory research, reviewed 1 October 2026. URL: https://omnichannels.ai/sender-id/canada/