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 A2P Regulations Verify AU Number

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.

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 Belgium +32 Brazil +55 Canada +1 France +33 Germany +49 India +91 Indonesia +62