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Updated : November 6, 2025

Do you also face the trouble of high calling costs when calling your customers in US from UK?

As per a report, a standard international call to US from UK can cost around £4.42 /min.

This is a whopping amount. Imagine how much you might need to pay when you have to make hundreds of calls every day.

That is why, it is crucial to shift to modern alternatives and start saving on each call.

In this blog, we will shed light on how you can easily and successfully connect to the US from the UK.

How to Call US from UK?

To call US from UK, you need to follow a specific yet simple international dialing format. Just a few simple steps, and your call to the US will be connected in no time.

• Step 1: Dial the UK exit code. If using a landline, dial “00” or if using a mobile, dial “+”.
• Step 2: Now, enter the US country code, dial “1”.
• Step 3: Dial the US area code (they range from 2 to 9 digits).
• Step 4: Enter the “7 to 10 digit phone number”.

Understand Better with an Example:

• Calling US (New York) from UK from a landline: You need to dial “00 1 212 555 1234”.
• Calling US (New York) from UK from a mobile: You need to dial “+1 212 555 1234”.

List of Major Area Codes of the US

Without knowing the unique area code, you won’t be able to connect the call to any particular US city or region. Here’s the list of major area codes of the US.

What are the Best Ways to Call USA from UK?

You must have tried calling the US in multiple ways. Let’s explore the best ways to call USA from UK.

1. Calling from a Landline

The USA still utilizes landlines for work purposes. Scarcely, but in case of power outages or when cell services are down, landlines can be a dependable option to maintain connectivity intact.

To call the US from the UK via landline, you need to know three things:

Example:

• To call the number “123-555-6789” in Chicago (area code: 312) from the UK, you need to dial:
• US dialing code from UK (Landline): 00 1 312 555 6789

2. Calling from a Mobile Phone

As per a survey, 66% of the US employees use a mobile device at work. This clearly states that mobile devices are widely used by US employees, not just for personal but professional use as well.

Calling US from UK via a mobile device is also quite simple. You just need to know the UK exit code for mobile, the US country code, and the US area code.

Example:

• To call the number “123-555-6789” in Chicago (area code: 312) from the UK, you need to dial:
• US dialing code from UK (Mobile): +1 312 555 6789

3. Using VoIP Services to Call the USA

VoIP services can be the ideal choice for international communication. And a VoIP service provider, such as CallHippo, makes it even easier by offering a hassle-free and affordable way to reach the US.

What you need is just a strong and reliable internet connection, and you will be connecting to the US in no time. CallHippo also comes with an advanced suite of features, including smart call routing, call monitoring, a power dialer, call analytics, contextual handover, speed-to-dial, and many more.

Expert Advice

“Before dialing the US, always keep in mind to check the time difference, as the UK time is generally 5–8 business hours ahead of the US time zones.”

4. Using Calling Cards

Calling cards are another option you can opt for to make cheap international calls. You can even prepay for calls you make to the United States phone number.

Additionally, rates are typically lower compared to traditional phone lines. Remember to check the validity of the card and its call charges before using it.

5. Free Online Services for Calling the USA

To make a free international voice or video call from the UK to the US, platforms like WhatsApp, Skype, Zoom, etc. can be used.

These are easily accessible platforms that use VoIP technology for call connectivity.

The only need is that the app used to make the calls must be installed on the preferred device of both parties.

Recommended Read : How to Get a Free US Number

Which Method will be Cost-effective?

When Calling US from UK, CallHippo, a VoIP service provider, emerges as an unparalleled option. It provides the most affordable calling rates in the market.

While there are apps that support free international calling, they cannot fulfill the need for enhanced efficiency and functionality.

This is where CallHippo stands out. It is well-equipped with advanced features such as smart call routing, speech to text, call analytics, workflow builder, etc., that offer more than just calling.

This makes CallHippo the primary choice for smart and long-distance communication between the US and the UK. It also offers different phone plans and add-on features as per the needs of your business.

Try CallHippo’s basic package for free.

Experience seamless international calling and connect to the US from the UK at the most affordable rates with CallHippo’s free trial plan.

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Time Zone Differences Between the UK and the USA

The whole world operates with a different time zone. It is similar for the US as well. Mainly, there are four time zones in the US. Check them out below.

Unlike the US, the UK operates with only a single time zone. It observes Greenwich Mean Time (GMT) for winter. And British Summer Time (BST, GMT+1) from March to October.

Below’s an example to understand the time difference better.

Example:

• Let’s say it’s 3:00 PM in Bradford (GMT), the time in New York will be 10:00 a.m., while the time in Chicago will be 9:00 a.m.

The Legal and Security Aspects of International Calling

Connecting internationally can raise certain legal and security complications. Hence, ensuring the calls made are secure and private becomes critical.

1. Data Privacy and Protection in International Calling

When using VoIP services to connect internationally, there is a risk of your data being stored on the local servers of the other country.

Without proper data encryption, keeping the data safe and secure can become a daunting task.

Pro-Tip

Opt for a VoIP service provider that provides end-to-end data encryption.

2. Legal Considerations When Making International Calls

The legal compliances differ from country to country. It is quite crucial to be aware of the laws and regulations of the country you are connecting to.

CallHippo is committed to ensuring the safety and protection of the data. Hence, it complies with global privacy regulations such as HIPAA and GDPR.

You must also bring yourself up to speed on taxes, tariffs, etc., to prevent potential complications.

How to Get a US Number in the UK?

You can effortlessly connect to the US by getting a virtual US number. Using a virtual US number also lets you build a strong local presence in the US, giving you instant credibility.

CallHippo can provide you with US phone numbers that allow you to place unlimited calls at a lower rate without compromising on call quality, so you don’t have to burn a hole in your pocket. This results in significant savings and an improvement in your reach with each call.

Wrapping Up

Calling USA from UK mobile phone isn’t as hard as it might seem; you just need to follow a few easy steps: Dial the UK exit code, then enter the US country code and area code, and finally add the phone number. By following this process, your call will get through in no time.

CallHippo can make things even more convenient for you. It offers you a virtual US number that helps you establish a local presence and provides you with value-adding features that allow you to cater to your diverse needs. All this without compromising on call quality.

FAQs

1) How can I avoid high international call charges?

You can use CallHippo’s VoIP service for internet-based calling. This can reduce your international call charges by a significant amount.

2) How to call America from UK for free?

Some online apps, such as WhatsApp, Zoom, etc., can help you call US from UK for free. But, if you require features for calling and more, you can try CallHippo’s basic package for free.

3) Is +1 the same as 011?

No, “+1” is the exit code for the UK when you make a call to the US from a mobile phone, while, “011” is the international access code when you make calls from the US to other countries.

4) Can I call the USA from the UK using WhatsApp?

Yes, you can connect the US from the UK via WhatsApp, that too for free. The only requirement is that you and the person you are calling must have the app installed and a reliable internet connection.

5) Can I send text messages to the USA from the UK?

CallHippo can provide you with a virtual US number, which you can use to send text messages to the US from the UK. This way, the communication becomes faster and more convenient.

6) How do I call toll-free numbers in the USA from the UK?

Calling a toll-free number in the USA is not the same as calling a regular number. You might get charged a calling fee, as typically, the toll-free numbers are only free in the US. In such a scenario, you can opt for CallHippo’s VoIP services.

Published : November 6, 2025

Vihar Naik is a Senior Marketing Professional at CallHippo, specializing in propelling growth through impactful content and product-driven strategies. With deep expertise in virtual telephone systems, he creates resources that simplify technology and help businesses enhance communication, improve customer experience, and scale effectively.

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