In our interconnected world, having clients or team members in Australia is no longer rare. No matter where you are in the US, people in Australia are only one phone call away. But while you can do business in the Land Down Under without living there, you do need to learn how to call Australia from US phones.

In this article, we’ll teach you how to call Australia in four steps, then explain the costs of international calling and how to lower them with a VoIP phone service.

Step-by-step guide to call Australia from the US

Australian phone numbers are some of the simplest international numbers to dial. Thanks to the country’s basic dialing codes, you only need to memorize a handful of digits to successfully call any of your clients or team members.

How to call an Australian landline number from the US

When you call a landline in Australia, you always need to know your call recipient’s location or their area code. 

For calls from USA to Australia dial: 00 + 61 + area code + telephone number. Let’s break this down step by step. 

1. Dial + or the US exit code (011)

If you’re using a smartphone or OpenPhone, you can dial the plus symbol (+) instead of the US exit code (011), so you don’t need to worry about memorizing a three-digit number. When you dial from a landline, the US exit code (011) tells your carrier that you want to make an international call. Entering this international code ensures your phone call gets routed outside of the US.

2. Enter the Australia country code (61)

Dialing the country code 61 tells your carrier that you want to reach Australia. This way, your phone call can enter the right country after exiting the US.

After completing this step, the number you’re dialing should appear as +61 or01161.

3. Enter the area code without the ‘0’

All Australian landlines start with local area codes, just like US phone numbers. Luckily, Australia only has four two-digit codes you need to remember — and since you always drop the zero when dialing, you only need to remember one digit.

If you don’t already know the full local number of the person you’re calling, find the right Australia area code in the following table.

Australian CityArea Code
Adelaide8
Albury2
Alice Springs8
Ballarat3
Bendigo3
Brisbane7
Bunbury8
Bundaberg7
Cairns7
Canberra2
Coffs Harbour2
Darwin8
Geelong3
Gold Coast7
Hobart3
Launceston3
Mackay7
Melbourne3
Newcastle2
Perth8
Rockhampton7
Sydney2
Townsville7
Wagga Wagga2
Wollongong2

If you want to call Sydney, the number you’re dialing should now appear as 011612 or +612. If you want to call Melbourne, the number you’re dialing should now appear as 011613 or +613.

Keep in mind that some people located in small towns near state borders may have different area codes. For instance, people in Barnawartha, Victoria — which has a population of less than 1,000 — often use the NSW area code (2). This is why it’s always ideal to collect your call recipient’s complete 10-digit telephone number, which includes their area code, before dialing.

4. Dial the rest of the phone number

Enter the rest of the phone number you want to reach before starting your call.

Dialing Australia from US using the OpenPhone app

As an example, if you’re calling someone in Sydney whose 10-digit phone number is (02) 1234-5678, the full number you need to dial would look like this: +61-2-1234-5678 or 01161-2-1234-5678.

Looking to instead call the US from Australia? Check our guide on how to call the USA from Australia.

How to call an Australian mobile number from the US

Calling Australian cell phone numbers is a lot like calling a landline, only you don’t have to memorize area codes or know your caller’s city. Follow these four steps to call Australian clients or team members on their mobile phones.

1. Dial + or the US exit code (011)

Enter the US exit code (011) or enter the plus symbol (+) if you’re using a smartphone or OpenPhone.

2. Enter the Australia country code (61)

Dial Australia’s country code 61 to route your call to Australia.

3. Enter the mobile phone code (4)

The mobile phone calling code (4) replaces the city code used for landlines when you’re calling a cell. This is because all Australian mobile phone numbers share the area code 04 — and you always drop the zero when you call Australia from the US

4. Dial the rest of the phone number

Enter the remainder of your call recipient’s number. As an example, if a smartphone user’s eight-digit number is 1234-5678, you would need to dial +61-4-1234-5678 or +61-4-1234-5678.

How to factor in time zone differences when calling Australia

When your clients or coworkers are nearly half the world away, the start of your work day may be their bedtime.

The easiest way to understand time differences between the US and Australia is by using a time zone map (or Google “time in x-city”). However, if you want to calculate the differences yourself, you need to know two facts:

  • Australian Daylight Saving Time (DST) starts in October and ends in April, whereas DST in the US starts in March and ends in November. In other words, Australia is mostly on standard time when the US is on daylight time.
  • DST is only observed in the Australian Capital Territory, New South Wales, South Australia, Tasmania, Victoria, and Norfolk Island.

With these facts in mind, here are the three standard time zones for Australia’s eight mainland states and territories:

  • Australian Eastern Standard Time (AEST): Time zone for New South Wales (except Broken Hill), Queensland, Tasmania, Victoria, and the Australian Capital Territory. AEST is 14 hours ahead of Eastern Daylight Time, 15 hours ahead of Eastern Standard Time, 17 hours ahead of Pacific Daylight Time, and 18 hours ahead of Pacific Standard Time.
  • Australian Central Standard Time (ACST): Time zone for South Australia, Northern Territory, and Broken Hill in NSW. ACST is 13.5 hours ahead of Eastern Daylight Time, 14.5 hours ahead of Eastern Standard Time, 16.5 hours ahead of Pacific Daylight Time, and 17.5 hours ahead of Pacific Standard Time.
  • Australian Western Standard Time (AWST): Time zone for Western Australia. AWST is 12 hours ahead of Eastern Daylight Time, 13 hours ahead of Eastern Standard Time, 15 hours ahead of Pacific Daylight Time, and 16 hours ahead of Pacific Standard Time.

Regions that observe daylight saving move forward one hour during DST.

As an example, if you’re learning how to call Australia from New York City in January, you’ll first need to know that parts of Australia are on daylight time, while you’re on standard time. If it’s 11 AM in New York City, it’s 2 AM the next day in Queensland (which doesn’t observe Daylight Savings) and 3 AM the next day in Tasmania (which does).

How much does it cost to call Australia from the US?

The cost of calling Australia from the US depends on your carrier. However, when you’re using a traditional landline or cell phone, the cost of international calls can add up. Pay-as-you-go rates often exceed $1 per minute. For instance, T-Mobile charges $3 per minute for calls to Australia from any type of phone, which means you’d need to pay $90 for a 30-minute phone call.

You can save some cash by signing up for an international calling plan, but options that include Australia tend to be costly, and you’ll still need to pay per minute.

How to lower your calling costs to Australia

Making international calls doesn’t have to be expensive. When you want to lower the cost of your calls to Australia, switching to a VoIP phone system is the best option. With OpenPhone, you can call your Australian clients and team members for as low as 5 cents per minute.

The best VoIP providers for international calls don’t just make calling more affordable. They can also help you be more productive by offering more business features than landlines and cell phones.

When you get started with OpenPhone, you can improve communication with your Australian contacts by using features such as:

  • Shared phone numbers, which allow your team members to help each other field calls and texts
  • Voicemail transcriptions via email, text, or Slack, so you can read messages when you’re on the go and prioritize the most urgent callbacks
  • Call recording, which you can use to review phone calls and train team members
  • Analytics to help you improve your call management
  • Integrations with apps like Slack, email, Zapier, and HubSpot to streamline your workflow

Plus, since all you need is an internet connection and a device to make calls, you can use your VoIP phone to call Australia from almost anywhere — not just the US — at low rates. 

Call Australia for less with OpenPhone

Calling Australia from the US is a simple process that takes no more than four steps. All you need to know are the right calling codes and your call recipient’s phone number — as well as their time zone if you want to avoid calling in the middle of the night.

While international calls can be expensive with landlines and cell phones, switching to VoIP can lower your per-minute costs to as low as 5 cents per minute. You’ll only need to invest a little — though with OpenPhone, you’ll still get a lot more business features than you would with a traditional phone.

Start your free trial of OpenPhone.

Check out more guides to dialing internationally:
How to call the Philippines from the US
How to call Mexico from the US
How to call the UK from the US
How to call Spain from the US

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Emily is a freelance business and marketing writer based in the desert, though her writing is anything but dry. Her passion is writing compelling, human-friendly content that helps growing businesses perform better.

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