
How to Call the USA from London

Dailing Format:
To call the USA from London, practice these simple steps:
Calling Mobile Phones in the USA
To dial mobile phones in the USA from London, the procedure is as follows:
- Step 1: Dial the UK Exit Code To make an international call, begin by entering 00, which is the UK exit code for international calls.
- Step 2: Include the USA Country Code Then, add +1, which is the country code for the USA. This will transfer your call to the USA.
- Step 3:
Input the Area Code
The USA has area codes particular to each region. Area codes are 3 digits long and
are needed for mobile and landline calls.
For example:
- New York: 212
- Los Angeles: 323
- Chicago: 312
- Step 4: Enter the Mobile Number Dial the 7-digit mobile number, excluding the first zero (if applicable). US mobile numbers generally have 7 digits.
Complete Example for USA Mobile Call
If you're calling a mobile number in New York, such as XXX-XXXX, your dialing
sequence should look like this:
00 + 1 + 212 + XXX XXXX

Calling Landlines in the USA
The procedure for calling landlines in the USA is slightly varied but practices a similar structure:
Step 1: Enter the UK Exit Code Just like calling mobiles, start by entering 00 to exit the UK.
Step 2: Dial the USA Country Code Add +1, which transfers your call to the USA.
Step 3: Include the Area Code As with mobile phones, you'll require the area code for the city you're calling. Each area in the USA has a separate area code.
Step 4: Enter the Landline Number Complete the call by dialing the 7-digit landline number. US landline numbers usually consist of 7 digits.
Complete Example for USA Landline Call
If you're calling a landline in Los Angeles, with the number XXX-XXXX, your full
dialing sequence would be:
00 + 1 + 323 + XXX XXXX

Mobile Vs. Landline Calls in USA
When calling the USA from London, remember that:
Mobile Numbers: Every time, include the area code, which usually consists of 10 digits, including the area code.
Landline Numbers: These numbers also need an area code and usually have 7 digits after it.
So whether you’re entering a mobile or a landline, utilize the right format and add the area code for the region.
Popular Area Codes in the USA
To ensure your call attains the right destination, here are a few popular USA area codes:
USA | Area codes |
---|---|
New York | 212 |
Los Angeles | 323 |
Chicago | 312 |
Miami | 305 |
Dallas | 214 |
Key Takeaways
Type | Local Format | U.S. Dialing Format | Final Number |
Mobile | (212) XXX-XXXX | 00 + 1 + 212 + XXX-XXXX | 00 1 212 XXX XXXX |
Landline | (323) XXX-XXXX | 00 + 1 + 323 + XXX-XXXX | 00 1 323 xxx xxxx |
Start Calling USA from London !
Try Vitel Global's virtual phone system for calling.
How to Factor in Time Zone Differences When Calling the USA from London
Being aware of time zones is significant when dialing the USA from London. The USA is spread across several time zones, so it's crucial to understand the time difference. London works on Greenwich Mean Time (GMT) or British Summer Time (BST) during daylight saving time.
- The Eastern Time Zone (ET) in the USA is 5 hours behind GMT.
- The Pacific Time Zone (PT) is 8 hours behind GMT.
Understand the time zone you're calling to avoid calling too early or too late. For example, when it’s 9 AM in London, it’s 4 AM in New York and 1 AM in Los Angeles.
Time zone differences
U.S. time zones | Time Difference |
---|---|
Eastern (ET) | 5 hours ahead |
Central (CT) | 6 hours ahead |
Mountain (MT) | 7 hours ahead |
Pacific (PT) | 8 hours ahead |
Keynote: London follows DST (BST - UTC+1) from March to October, reducing the time difference during those months.
Understanding the Basics
Country Code for the USA
To call the USA from London, use the country code for the USA, +1. This code ensures your call routes correctly to the USA, whether mobile or landline. Always dial +1 before the area code and local number for a successful connection.
USA Area Codes
USA area codes are 3 digits and direct your call to a specific region. For example:
USA | Area codes |
---|---|
New York City | 212 |
Los Angeles | 310 |
Chicago | 312 |
When calling the USA from London, include the appropriate area code after +1 to ensure the call reaches the correct location.
Costs of Calling the USA from London
Are Calls to the USA Costly?
The cost of calling the USA from London can differ based on various elements, such as
- Calling a landline or mobile,
- Type of carrier plan.
Calls to mobile phones are usually more costly than landline calls. Standard rates may differ from $0.10 to $1.00 per minute, based on the service provider.
However, there are cost-effective solutions accessible for calling the USA from London:
- Vitel Global provides VoIP services, providing major savings on international calls. By utilizing an internet connection, you can make high-quality, free calls to the USA.
- Many international calling plans from Vitel Global can also reduce per-minute rates, making it simpler to connect with dear ones or business partners in the USA without worrying about high costs.
Reducing Calling Costs
To minimize expenses when dialing the USA from London, consider these tips:
- Vitel Global’s VoIP Services: Vitel Global provides affordable rates for international calls, cutting costs by up to 70%. By utilizing their service, you can experience free calls through a data connection or much lower rates than hardware lines.
- Business Call Packages: If you're frequently calling the USA from London for business purposes, Vitel Global offers specialized packages with discounted international rates, ensuring your company stays connected without the high costs.
Using Vitel Global's services allows you to reduce calling costs to the USA, ensuring both personal and business calls are affordable and efficient.
Using Technology for Calling USA
Should You Use Traditional Phone Lines?
Calling the USA from London using traditional phone lines can be expensive, with high per-minute rates and limited features. On the other end, VoIP services offer a more cost-effective and adaptable alternative. VoIP is affordable, providing transparent calls and extra features like voicemail and call forwarding, making it perfect for individual and business communication.
Advantages of Virtual Phone Numbers
A USA virtual phone number enables businesses and personnel to be in touch with the USA at local rates, preventing international charges.
For Businesses: It builds your local presence and improves trust with American clients.
For Individuals: It helps you stay in touch with loved ones and family in the USA in a budget-friendly way.
Using VoIP Services
To call the USA from London, VoIP services like Vitel Global are cost-effective options.
Pros:
Cost-Effective: Lower rates than traditional calls.
High-Quality: Clear calls with a strong data connection.
Additional Features: Video calls, voicemail, and call recording.
Cons:
Internet-Dependent: Call quality can suffer with slow internet.
VoIP services are a budget-friendly, reliable way to call the USA from London.
Wrapping Up: How to Call the USA from London

To call the USA from London, just enter +1 (the international code for the USA), then the area code and local number. For cost-effective alternatives, consider VoIP services like Skype or WhatsApp. But for comprehensive, advanced communication features, Vitel Global is the best option, which provides affordable and adaptable communication.
When calling the USA from London, adopt advanced tools to ensure easy, affordable connections.
Frequently Asked Questions
-
What is the country code for the USA?
To call the USA from London, you must enter the international code for the USA, which is +1. This code must be dialed prior to the area code and the local number.
-
How can I call the USA from London using my regular mobile?
You can seamlessly call the USA from London by entering the international code +1, then the area code and phone number. Understand that international roaming charges may apply, based on your mobile plan.
-
Is it costly to call the USA from London?
The cost of calling the USA from London differs depending on your service provider and the type of phone line utilized. Mobile calls are usually more costly than landline calls. To cut costs, consider utilizing VoIP services or international calling plans provided by carriers.
-
Can I utilize VoIP to call the USA from London?
Yes! Dialing the USA from London using VoIP services like Vitel Global is an affordable option. These services usually provide cut rates or even free calls when connected to a data connection.
-
How do international calling plans work for USA calls?
If you're regularly calling the USA from London, you may discover international calling plans from your provider. These plans provide cut rates for calling the USA from London, assisting you in saving on per-minute costs for mobile and landline calls.