43 Country Code: Austria (+43)
Country code 43 (+43) belongs to Austria. Austria uses the international dialing code +43, assigned by the International Telecommunication Union (ITU) under the E.164 standard. The ISO 3166-1 alpha-2 code is AT.
You will see the same code written several ways depending on origin: +43 (universal + prefix, works from mobile), 0043 (from countries that use 00 as their international exit code — most of Europe, Asia, and Latin America), 011 43 (from the US and Canada), 0011 43 (from Australia), or the bare 43. All refer to the same Austria country code.
Below you will find the number format, trunk prefix, major city area codes, and dialing facts specific to Austria (+43).
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Did You Get a Call from +43? Here's What That Means
Any incoming call that displays +43 followed by more digits is originating from Austria. The caller is dialing you from a Austria-registered phone number — either a landline or a mobile on a Austria carrier.
Common reasons people receive calls from +43:
- -Family or friends in Austria calling from a local number
- -Business contacts at Austria-based companies
- -Customer support agents working from a Austria call center
- -Travel-related calls (hotels, airlines, tour operators)
- -Less commonly, robocalls or scam calls that have spoofed a +43 number — if the call is unsolicited, do not return it without verifying the source
To return a call to a +43 number from the US, use Kinvo's Austria dialing guide — calls cost from $0.11/min with no app to download.
Austria Phone Number Format
International Format Example
Domestic vs International
Drop 0 and prepend +43.
Calling Austria Successfully: Common Mistakes & Best Practices
Most failed calls to Austria come from one of four mistakes, not from network problems. The most common is mishandling the leading 0: domestically, Austria numbers are written with 0 at the front (e.g. 06641234567), but that 0 is the domestic trunk prefix and must be removed when calling from outside Austria. Dial +43 followed directly by the local number without the 0.
The second is misreading the area code on landline numbers — Austria numbers may have variable formatting depending on the carrier and city, so confirm the area code with the recipient before dialing. The third is dialing during off-hours — Austria uses local business hours and consumer phones are usually answered between 8 AM and 9 PM local time. The fourth and most expensive mistake is assuming your US carrier's WiFi calling feature makes the call cheap. It does not — see WiFi calling vs VoIP for international calls for why.
For scam-call awareness: +43 is the legitimate Austria country code, and most unsolicited calls from +43 numbers are legitimate calls from Austria-based businesses, hospitals, family members, or call centers serving US customers. Caller-ID spoofing exists, so if a call from a +43 number claims to be from a US government agency, your bank, or the IRS, hang up and call the agency back on its published number. Real authorities never demand payment over the phone.
When you are ready to place a call, the cheapest reliable route is to dial +43 from your browser using Kinvo — no app, no carrier add-on, and the per-minute rate is shown before you connect so there are no bill surprises. The browser approach also works from any laptop, tablet, or phone you happen to have access to, which matters when you're traveling, using a work device, or borrowing someone else's computer.
Calling Austria from Your Browser
To place a call to Austria, dial +43 followed by the local number in the Kinvo browser dialer. Pay-as-you-go, no app required.
Call Austria from Your Browser
Call any Austria number (+43) directly from Chrome, Firefox, Safari, or Edge. No install required. Use it in under 2 minutes.
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Frequently Asked Questions: Austria Country Code
Which country is country code 43?
Country code 43 belongs to Austria. The full international dialing code is +43, also written as 0043 from countries using 00 as their international exit code (Europe, most of Asia, Latin America), 011 43 from the US and Canada, or +43 from any mobile phone.
What is the country code for Austria?
+43 is the international dialing code for Austria, assigned by the ITU under E.164. The ISO 3166-1 alpha-2 code is AT. Equivalent forms — 0043, 011 43, +43, and 43 — all refer to the same Austria country code.
Do I drop the 0 when calling Austria from abroad?
Yes. Austria uses 0 as its domestic trunk prefix. When dialing from another country, remove it and replace with +43. The trunk prefix is only needed for long-distance calls within Austria.
Can I call Austria from my browser?
Yes. Kinvo connects calls to Austria via WebRTC directly from Chrome, Firefox, Safari, or Edge. No app download. Sign up, add credits from $5, and dial +43 followed by the local number.