The caller experience, inside Australia
1800 Numbers From Australia: How Calling Works
From inside Australia, an 1800 number is the easiest call you can make: ten digits, no area code, free from a standard fixed line. The wrinkles are mobile plans and mis-dials — here is both.
- Ten digits, no area code
- Free from standard fixed lines
- Mobile terms set by carriers
Calling questions
Do I dial an area code before an 1800 number?
No. The number is ten digits starting with 1800 — dial all ten, with no state or area code in front, from anywhere in Australia.
What does the call cost me from a mobile?
From standard fixed lines the call is free by the design of the service. Mobile treatment depends on your carrier and plan — check your plan terms if you are unsure, since carriers set their own handling of 1800 calls.
Why does an 1800 number sometimes not connect?
The usual causes are dialling only seven digits, adding an area code, the business having surrendered the number, or a caller-side block on service numbers. The troubleshooting steps are in our 1800 not-working guide.
Calls to 1800 numbers from inside Australia are the simple case — simpler than the overseas pages elsewhere on this site, because nothing crosses a border. The number dials the same from every state, the caller pays nothing from a standard fixed line, and the business pays for the call. What wrinkles exist are two: mobile plan terms and mis-dials. This page covers the caller experience end to end.
The dialling
Ten digits, starting 1800, no area code. That is the entire rule — the prefix is the service identifier, not a geography, which is why the same number dials identically from Perth and Brisbane. Dialling fewer digits, or adding (02)/(03)/(07)/(08) in front, is the most common reason a valid number fails. The full format picture is in how to call an 1800 number.
What the call costs
The 1800 bargain is that the caller pays nothing from a standard Australian fixed line and the business that owns the number pays for the call. Two variables sit around that:
- Mobiles — treatment depends on the caller's carrier and plan, and carriers set their own terms. The hedged general answer is in are 1800 numbers free from mobiles in Australia, and provider-specific checks (Gomo, AldiMobile and others) have their own pages.
- Where the business answers — irrelevant to the caller's cost. Routing may land the call on a mobile, a landline or an answering team; the caller's side does not change.
When the call will not connect
Work through four checks in order: dial all ten digits with no area code; confirm the number is still in service, because surrendered numbers fail silently; check whether your phone or plan blocks service numbers, which some business phone policies do; and if all else fails, find the organisation's alternate contact on its website — no 1800 number is the only way to reach an organisation that publishes one. The fuller troubleshooting list is in 1800 numbers not working.
The other side of the call
Every free call is funded by the business that owns the number — that is the product. If you are the business, the 1800 number is the line Australian callers already know how to use, from $10 a month plus per-call charges, with routing that delivers calls wherever you answer. The product is on 1800 numbers, and identifying an unknown number that called you is the reverse job, covered in 1800 number reverse lookup.
The business side of the call
Get an 1800 number customers can ring free
One national number, free from fixed lines, routed to wherever you answer — from $10 a month.