Business Numbers for Australian Businesses

Help customers reach your business.

Choose a new business number or ask about bringing your current number to C9 through number porting. We’ll help you find the right option for calls, SMS or WhatsApp.

Voice
SMS
WhatsApp

Calling and messaging options vary by number, country and service.

Australian retailer answering a customer call beside business number options

BUILT AROUND YOUR BUSINESS

What’s next for your business?

Start with what you need today, and plan how your calls will be answered.

Starting a New Business

Set up your first business number.

Choose a number for your new business and plan who answers before it goes on your website, signage or advertising.

Choose a number suited to your customers.
Plan whether calls go to your mobile, office or team.
Tell us your opening date so we can check timing.

Bakery owner taking a customer call and writing an order at the counter

LOCAL & VIRTUAL NUMBERS

Choose a number that fits your business.

Serve your local area, use a Virtual Mobile Number or give customers across Australia one number to call.

Business owner writing in a diary beside a local area-code enquiry card

Local geographic numbers

02, 03, 07, 08

A number with an area code your local customers recognise. Suits shops, practices and offices. C9 checks the address rules and whether calls can go to your office, mobile or phone system.

Suitable for:

Voice

Business consultant working at a laptop beside a virtual 04 mobile number enquiry card

Virtual mobile numbers

An 04 business number managed through a cloud service. Suits teams that want a mobile-style contact number. It comes without a SIM, eSIM or mobile data plan. Tell us how you want to answer calls so we can check the setup.

Suitable for:

Voice
SMS
WhatsApp

National inbound numbers

1300 and 13

One number for customers across Australia to call. Choose a 10-digit 1300 number or a shorter six-digit 13 number. Calls go to the phone or team agreed during setup. Caller charges depend on their phone plan.

Suitable for:

Voice (inbound only)

Compare all five number categories

Compare what each number is for and who pays for calls. We confirm the options and costs before you order.

Compare business numbers, caller charges and business costs
Number and audience	Caller charges	How it works	Business costs
Local Geographic NumbersBusinesses serving local customers	Calls are included in, or charged under, the caller’s phone plan.	A familiar local area code10 digits with an Australian area code.	Ask for service fees, call charges, call forwarding and porting costs.
National Business NumbersBusinesses serving customers across Australia	Included or charged under the caller’s plan.	One number for customers across Australia1300 has 10 digits; 13 has six digits.	Service fees and incoming call charges. Extra fees may apply for the right to use the number.
Toll-Free NumbersSales, booking and customer service teams	Generally free within Australia; provider exceptions apply.	One number for customers across Australia10 digits; memorable patterns may be available.	Your business pays service fees, incoming call charges and any setup fees.
Virtual Mobile NumbersBusinesses considering a cloud-based number	Depends on the caller’s plan and the agreed service.	Australian 04 format10-digit mobile-format number.	Ask for available plans, call charges and service terms.
Global NumbersBusinesses receiving overseas enquiries	Charges vary by country, phone provider and number type.	A number in your requested countryFormat and dialling code depend on the country.	Ask for pricing and service terms for your chosen country.

We confirm availability, where calls can go and what the service includes before you order. Extra fees may apply for the right to use a 13 number.

Business customer holding a phone beside a country enquiry card showing Australia, the United States and Canada

GLOBAL NUMBERS

Where does your business need a number?

Looking for a business number in another country? Tell us where your customers are and how you want them to reach you. We’ll check the number options and costs.

For businesses serving customers overseas.
Ask about calls, SMS or WhatsApp for your chosen country.

Available numbers, calling and messaging options, and local requirements vary by country. C9 confirms these before you order.

TOLL-FREE INBOUND NUMBERS

Make it easier for customers to call.

Give customers across Australia one number to call. Calls to 1800 numbers are free within Australia. Your business pays the service fees and incoming call charges.

Toll-free inbound numbers

Customers call your 1800 number, and the call goes to the phone you choose during setup, such as your office landline or mobile.

Incoming business calls1800

For sales, bookings and customer-service enquiries.

Some phone providers may charge callers. C9 confirms availability, where calls can go and costs. Outgoing calls and messaging are not automatically included.

One number across Australia

Generally free for callers

Your chosen phone for answering

For sales and customer enquiries

Receptionist answering a desk phone with a C9 specialist beside her

Read the 1300 and 1800 Critical Information Summary

BRANDED NUMBERS

Tailored to your brand

Give customers a number they can remember and a name they recognise in your text messages.

Business owner on a phone call holding a tablet, surrounded by phone icons

A number customers can remember

Make your number easier to remember with a word that suits your business or a simple pattern of digits. Smartnumbers use the 13, 1300 and 1800 ranges.

Ideal for

A number to use in ads, on vehicles and on signs.
A national number customers can remember.

We confirm availability, your right to use the number, and the costs to buy and use it.

Customer reading a text message on her phone

Put your business name on your SMS

Show your business name instead of a phone number when you send a text. This is called an alphanumeric sender ID. It helps customers recognise your reminders and updates.

Ideal for

Appointment reminders and customer notifications.
Updates customers can recognise as yours.

Explore Business SMS

One-way messages only. Customers cannot call or reply to the sender name. Registration and service requirements apply.

GOOD TO KNOW

Common questions about business numbers.

READY TO GET STARTED?

Find your business number.

Get a new business number or bring your existing one to C9. Tell us where your customers are and how you want to answer their calls. We’ll help you choose a suitable option, check availability and explain the costs.

Help customers reach your business.