
Calling the US from Austria requires a specific sequence of numbers to ensure your call reaches the intended recipient. The country code for the US is 1, and the exit code for Austria is 00 or +. You will also need to know the US area codes, of which there are 291. If you are calling a US mobile phone, you will need to dial the country code, followed by the area code, and then the recipient's telephone number. Alternatively, you can use a Voice over IP (VoIP) service, which allows you to make calls over the internet, often at a lower cost.
Calling a US mobile from Austria
| Characteristics | Values |
|---|---|
| Exit code for Austria | 00 |
| Country code for the US | 1 |
| Area codes in the US | 291 |
| Exit code for the US | 011 |
| Country code for Austria | 43 |
| Area codes in Austria | 1024 |
| Calling apps | Rebtel, Skype, Google Fi, Ultra Mobile |
| Mobile data plan | Yes |
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What You'll Learn

Know the country codes and exit codes
Country codes and exit codes are essential components of international dialling. These codes help direct your call to the correct country and city or region. When calling the United States from Austria, you will need to know the country codes and exit codes to make an international call successfully.
The exit code for Austria is 00, and it is required for making any international call from the country. An exit code, sometimes known as a country calling code, is a pivotal component of international dialling. It serves as a gateway to connecting with countries beyond your borders. When dialling an exit code with a mobile phone, you can use the '+' symbol instead of the code. For example, when calling the United States from Austria, you can dial '+' followed by the country code, instead of dialling '00'.
The country code for the United States is 1. Country codes are numerical identifiers that designate a specific country within the global telephone system. They serve as international postal codes for phone calls, allowing the network to direct your call to the correct country. The country code is especially important when calling a mobile phone, as mobile phones may require you to input the '+' symbol before the code. For example, when calling the United States from Austria, you would dial '+1' followed by the recipient's telephone number.
In addition to the country code, you may also need to know the area code of the city or region in the United States that you are calling. There are 291 area codes in the United States. If there is an area code, dial the area code of the city or region you are calling after dialling the country code. If there is no area code, simply dial the recipient's telephone number after the country code. For example, if you are calling a number in Los Angeles, which has the area code 213, you would dial '+1' followed by '213' and then the recipient's telephone number.
By knowing and correctly dialling the exit code, country code, and area code, you can ensure that your call will be directed to the correct country and region or city. This is essential for successfully making an international call from Austria to the United States.
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Understand the international dialling format
To call a mobile phone in the US from Austria, you need to follow the international dialling format. This is a standardised sequence of numbers that ensures your call reaches the correct recipient.
Firstly, you need to dial the exit code. This signals that you are initiating an international call. The exit code for Austria is 00. The exit code for the US is 011, but you can use the + symbol instead when dialling from a mobile phone.
Secondly, you need to dial the country code. This numerical identifier directs your call to the correct country. The country code for the US is 1. The country code for Austria is 43.
Thirdly, you need to dial the area code. The US has 291 area codes, and Austria has 1024. If the US number you are calling has an area code, dial it after the country code. If there is no area code, dial the recipient's telephone number after the country code.
Finally, dial the local or mobile number of the person you wish to contact. Austrian mobile numbers vary in length from 4 to 13 digits and start with 6. US mobile numbers can also vary in length.
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Use a VoIP app
Voice over IP (VoIP) calls are a popular way to call someone in Austria from the US. This method involves using an app connected to the internet to call someone else using the same app. VoIP apps such as Slickcall, Skype, WhatsApp, Viber, and Rebtel offer free or low-cost calls over the internet, making them a practical option for international communication.
To use a VoIP app to call a mobile phone number in Austria from the US, you will need to follow these steps:
- Download and install a VoIP app that offers calls to Austria, such as Slickcall, Skype, WhatsApp, Viber, or Rebtel.
- Create an account and choose a plan that suits your calling needs. Some apps may offer free calls, while others may require a subscription or pay-as-you-go rates.
- Open the app and enter the Austrian mobile number you wish to call, ensuring you follow the correct international dialing format. The country code for Austria is 43, and you should omit any leading '0' typically found in Austrian phone numbers when calling from outside the country. For example, to call the Austrian mobile number +43 664 123456, you would enter 43664123456.
- Initiate the call by hitting the call button within the app.
It is important to note that both parties will need an internet connection to use VoIP services. Additionally, be mindful of the time difference between the US and Austria, which is typically 6-9 hours, depending on your specific location in the US and whether daylight savings time is in effect.
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Compare international calling plans
International calling plans offer a convenient way to stay connected with friends, family, and colleagues worldwide. Both major carriers and MVNOs (Mobile Virtual Network Operators) provide a variety of options, including plan add-ons, pay-as-you-go rates, and unlimited plans. Here is a comparison of some of the best international calling plans for calling between the USA and Austria:
T-Mobile Go5G Plus
T-Mobile's top-tier unlimited plan, Go5G Plus, offers excellent features for staying connected while travelling or living abroad. With this plan, you can enjoy unlimited data at 3G speeds or higher and unlimited texting in over 215 countries, including Austria, at no extra cost. Additionally, you get 4G LTE data of up to 15GB and unlimited talk and text in neighbouring countries like Mexico and Canada. T-Mobile's plan is a good choice if you want seamless connectivity without purchasing a separate international plan.
T-Mobile MVNO Mint Mobile
Mint Mobile, a T-Mobile MVNO, offers an affordable unlimited plan for $30/month. This plan provides unlimited talk, text, and data, with a 40GB mobile data deprioritization threshold. It includes free calling and texting to Mexico and Canada, along with affordable rates for calling and texting over 160 countries worldwide, making it a cost-effective option for international calls.
Google Fi's Unlimited Plus
Google Fi's Unlimited Plus plan offers unlimited international texting from the US and unlimited international calling to over 50 destinations, including Austria, with no additional charges. This plan is ideal for travellers as it provides unlimited data and text in more than 200 countries, ensuring you stay connected no matter where you are.
Ultra Mobile
Ultra Mobile stands out by offering a balance of robust international perks, strong network coverage, and competitive prices. For $29/month, you get unlimited talk and text, along with 10GB of 5G or 4G LTE data. You can text globally for free and enjoy unlimited national calling to over 80 destinations, including Mexico and Canada. Additionally, you receive a $5 calling credit for other locations. Ultra Mobile also offers discounts if you purchase their phone plans in multi-month packages.
Nuacom
Nuacom is a VoIP (Voice over IP) service provider that allows you to make international calls over the internet. By signing up for a Nuacom plan, downloading their app or software, and using the Austria country code (+43), you can make cost-effective international calls to Austrian landline and mobile numbers. Nuacom is known for providing high-quality audio and reliable connections, ensuring clear and uninterrupted calls.
When choosing an international calling plan, consider your specific needs, such as data requirements, call quality, and the number of countries included in the plan. These plans offer various features and price points, so you can select the one that best suits your requirements for calling between the USA and Austria.
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Know the time difference
When calling between Austria and the USA, it's important to know the time difference between the two countries to avoid untimely calls. Knowing the time difference will allow you to schedule calls at appropriate times, ensuring that you don't accidentally disturb the recipient during unsociable hours.
Austria is ahead of the USA in time. Specifically, Austria is 6 hours ahead of the USA. For example, at 7:05 am in the USA, it will be 1:05 pm in Austria. Therefore, if you're in the USA, it's best to call Austria earlier in the day, so you don't inconvenience your contact with a late-night call. Conversely, if you're in Austria, wait until the afternoon to call your friends or family in the USA, so they aren't awakened by a call in the middle of the night.
You can easily find the current time in both countries online, which will help you determine the best time to make your call. Additionally, you can use time zone converters to help you plan your calls. These tools allow you to see the time in Austria relative to the time in the USA, ensuring that you make your calls at socially acceptable hours.
Being mindful of the time difference will ensure that your calls are polite and considerate. It's always worth double-checking the time before dialling, especially if you're not accustomed to calculating the time difference. By keeping the time difference in mind, you can maintain a respectful calling schedule.
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Frequently asked questions
To call a US mobile number from Austria, you need to dial the exit code, country code, and recipient's number in that order. The exit code for Austria is 00, and the country code for the US is 1. You will also need to dial the area code and then the recipient's phone number.
The country code for the US is 1.
An exit code signals that you are making an international call. The exit code for Austria is 00, and for the US, it is 011. When dialling the exit code with a mobile phone, use the '+' symbol instead.
There are a few ways to call the US from Austria. You can use an international calling plan from major carriers like T-Mobile or Google Fi, or you can use Voice over IP (VoIP) services like Rebtel, which are often cheaper.











































