---
title: "Australia (+61) Country Calling Code & SMS Numbering Plan"
---

Australia (+61) Country Calling Code & SMS Numbering Plan: SMSRiver

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- Australia (+61)

National Telecom Specification

# Australia (+61) 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 Australia.

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

Country Dialing Code
+61
ISO: AU

Domestic Trunk Prefix
0
Omitted internationally

National Length
9 digits (excluding 0)
Local subscriber digits

Full E.164 Length
11 digits (+61 4xx xxx xxx)
With +61 prefix

## Telephony Architecture & Carrier Allocations

Destination Codes:
Geographic 02/03/07/08, Mobile 04

Mobile Prefix Patterns:
04xx xxx xxx allocated by ACMA (Australian Communications and Media Authority)

Major Mobile Network Operators:
Telstra, Optus, TPG Telecom (Vodafone Australia)

## A2P Messaging Regulations & Firewall Policies

A2P 10DLC & Campaign Registration
Not applicable. Regulated under the ACMA Spam Act 2003 and Telecommunications Act 1997.

Alphanumeric Sender ID Support
Supported up to 11 characters. Under the ACMA SMS Sender ID Register, alphanumeric sender IDs are subject to identity checks to prevent bank impersonation.

Two-Way Messaging Capability
Supported on dedicated 04xx virtual mobile numbers.

Character Encoding Standards
GSM-7 standard (160 characters/segment).

Compliance Framework: Spam Act 2003 requires express or inferred consent, clear sender identification, and an operational functional opt-out facility.

Interactive Number Intelligence

### Test a Australia Number Now

Check if a Australia 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 Australia

### What is the calling code for Australia?

Australia's international country calling code is +61. Drop the leading 0 of the Australian national number when dialing with +61.

### What prefix identifies Australian mobile numbers?

Australian mobile phone numbers always begin with 04 domestically (e.g., 0412 345 678) and +614 internationally (+61 412 345 678).

### Related National Calling Codes

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

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

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

[Canada
+1](/country-codes/canada/)

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

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

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

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

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