# Australian Business Validator

> Validate Australian phone numbers, addresses, postcodes, ABN/ACN numbers, and state/territory references. Use when reviewing any content with Australian business data.

- Skill: `cleanexpo/australian-business-validator` (Agent Skill)
- Install (CLI): `npx skillmds@latest add cleanexpo/australian-business-validator`
- Raw SKILL.md: https://api.skillmd.com/api/skills/cleanexpo/australian-business-validator/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: cleanexpo (https://skillmd.com/u/cleanexpo)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/cleanexpo/australian-business-validator

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# Australian Business Validator

## Phone Number Formats
- 1300: `1300 XXX XXX` (10 digits total)
- 1800: `1800 XXX XXX` (10 digits total)
- Mobile: `04XX XXX XXX` (10 digits, starts with 04)
- Landline: `(0X) XXXX XXXX` (NSW=02, VIC=03, QLD=07, SA/WA/NT=08)

## Postcode Ranges
- NSW: 1000-2599, 2619-2899, 2921-2999
- VIC: 3000-3999
- QLD: 4000-4999
- SA: 5000-5799
- WA: 6000-6797
- TAS: 7000-7999
- ACT: 0200-0299, 2600-2618, 2900-2920
- NT: 0800-0899

## ABN/ACN
- ABN: 11 digits, format XX XXX XXX XXX. Verify at abr.business.gov.au
- ACN: 9 digits, format XXX XXX XXX

## Validation Checks
1. All phone numbers in valid Australian format
2. All postcodes match correct states
3. All addresses geographically accurate
4. All business numbers properly formatted
5. City/state pairings are correct (Sydney=NSW, Melbourne=VIC, Brisbane=QLD, Perth=WA, Adelaide=SA, Hobart=TAS, Canberra=ACT, Darwin=NT)