---
title: "Canada (+1) Country Calling Code & SMS Numbering Plan"
---

Canada (+1) Country Calling Code & SMS Numbering Plan: SMSRiver

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National Telecom Specification

# Canada (+1) Country Calling Code & SMS Guide

Complete engineering reference for phone numbering formats, domestic trunk prefixes, cellular mobile operator allocations, and regulatory A2P SMS requirements in Canada.

Quick Jump:
[Numbering Plan](#numbering-plan)
[A2P Regulations](#sms-regulations)
[Verify CA Number](#inspector-cta)

[Live Canada Inboxes](/receive-sms/ca/)

Country Dialing Code
+1
ISO: CA

Domestic Trunk Prefix
1
Omitted internationally

National Length
10 digits (NPA-NXX-XXXX)
Local subscriber digits

Full E.164 Length
11 digits (+1 NPA-NXX-XXXX)
With +1 prefix

## Telephony Architecture & Carrier Allocations

Destination Codes:
NPA (3-digit Area Code e.g. 416, 647, 514, 403, 604)

Mobile Prefix Patterns:
Shared geographic area code numbering with wireless (CMRS) allocation

Major Mobile Network Operators:
Rogers Communications, Bell Canada, Telus Mobility

## A2P Messaging Regulations & Firewall Policies

A2P 10DLC & Campaign Registration
Canadian Wireless Telecommunications Association (CWTA) guidelines; US TCR registrations do not automatically clear Canadian carrier firewalls.

Alphanumeric Sender ID Support
Unsupported by Canadian carriers (Rogers, Bell, Telus). Requires Canadian shortcode (5-6 digits) or 10DLC local long code.

Two-Way Messaging Capability
Fully supported on Canadian 10-digit local numbers and verified Toll-Free numbers.

Character Encoding Standards
GSM-7 standard (French accents é, è, à, ù are standard GSM-7; ç is also supported).

Compliance Framework: CASL (Canada's Anti-Spam Legislation) strictly prohibits unsolicited commercial messaging; mandatory express consent and unsubscribe mechanisms.

Interactive Number Intelligence

### Test a Canada Number Now

Check if a Canada phone number conforms to the national numbering plan, classify mobile vs VoIP allocation, and obtain canonical E.164 standardization.

Inspect Number →

## Frequently Asked Questions for Canada

### What is the international country calling code for Canada?

Canada shares the +1 international country code with the United States under the North American Numbering Plan.

### Does CASL apply to SMS messaging in Canada?

Yes. Canada's Anti-Spam Legislation (CASL) strictly regulates commercial electronic messages including SMS, requiring express opt-in consent and clear identification.

### Related National Calling Codes

[Australia
+61](/country-codes/australia/)

[Austria
+43](/country-codes/austria/)

[Belgium
+32](/country-codes/belgium/)

[Brazil
+55](/country-codes/brazil/)

[France
+33](/country-codes/france/)

[Germany
+49](/country-codes/germany/)

[India
+91](/country-codes/india/)

[Indonesia
+62](/country-codes/indonesia/)

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