Is a phone number needed to place outbound calls?

No. Placing outbound calls never means paying for a dedicated phone number.

Can my browser take incoming calls?

Yes. To take incoming calls you add a unique US/Canada digital number ($2.14 to $5/month).

🇬🇧 ➔ 🇺🇸Low Cost UK to USA Calling

Cheap Calls to the USA
From the UK

The country code from the United Kingdom to the United States is +1. Intercalling charges low per minute rates and lets you dial the United States straight from a browser tab, with no codes to memorise and nothing to install.

What you get

Outbound: Call out with no dedicated number to buy.
Inbound: Needs a US/Canada digital number ($2.14 to $5/month).
No apps: Runs in Chrome, Safari, Edge, Firefox.

Dialing Steps

Calling United StatesLine Active

🇺🇸

Dialing the USA from the UK, Step by Step

To reach the US from the UK you punch in the standard exit code first, then the US country code.

UK Exit Code

Dial 00. This signals to your UK network that the call is heading overseas.

US Country Code

Dial 1. This puts you through to the North American Numbering Plan.

Area Code & No.

Add the 3-digit area code, then the 7-digit number.Ex: 00-1-212-555-0199

US Area Codes People Call Most

Frequent destinations for callers based in the UK.

City	State	Code
New York (NYC)	New York	212 / 646 / 917
Los Angeles	California	213 / 310 / 323
Chicago	Illinois	312 / 773
Houston	Texas	713 / 281
Miami	Florida	305 / 786

City	State	Code
San Francisco	California	415 / 628
Washington DC	District of Columbia	202
Boston	Massachusetts	617 / 857
Las Vegas	Nevada	702
Atlanta	Georgia	404 / 678

Keep the Time Gap in Mind

Britain runs ahead of the United States. While it is 5:00 PM in London, the clock reads:

New York (EST)

12:00 PM

Chicago (CST)

11:00 AM

Denver (MST)

10:00 AM

LA (PST)

9:00 AM

Frequently Asked Questions

Must I dial 00 before a call to the USA from the UK?

Yes. 00 is the usual international access code across the UK and most of Europe. On a mobile you can normally swap '00' for the '+' symbol, for example +1 212...

What does a call to the USA cost from a UK mobile?

Dialing straight from carriers such as EE, O2, or Vodafone can run between £1.50 and £2.00 per minute. Intercalling lets you sidestep those charges and pay low per minute rates instead.

Can I reach US toll-free (800) numbers for free from the UK?

Generally no. Toll-free numbers such as 1-800 and 1-888 are only free when dialed inside the US. From the UK they usually cost the same as a standard international call.

Ready to start calling America?

You can be connected within seconds, and no card details are needed to open an account.

Internal links

Related guides from the UK

Explore more routes and browser based calling guides. These links help you find the right dialing rules faster.

Call from browser

Place outbound calls right inside your browser using WebRTC.

How to make cheap international calls

Easy steps, dialing tips, and pay as you go pricing.

International call rates

Understand pricing patterns and what drives per minute rates.

US and Canada digital numbers

Take inbound calls in your browser with a US or Canada number.

Call without installing apps

A browser based calling guide with nothing to download.

UK browser calling

Place international calls from the UK with a browser first approach.

Making an international call from a laptop

Call from any browser

No app and no SIM. Place the call from your computer or phone in seconds.

World map of Intercalling calling coverage

Low rates to 190+ destinations

Clear per minute pricing, shown before you dial. Pay as you go, no monthly fee.

One balance, every device

Start on your laptop, continue on your phone, all at the same low rate.

Calling United States from United Kingdom: what to know

United States answers on the country code +1, with the capital in Washington, D.C. and most business concentrated around New York, Los Angeles and Chicago. The working language for business is English, and local offices generally keep hours of Standard hours 9:00 to 17:00 in each local time zone. Federal offices skew earlier; West-Coast tech routinely runs to 19:00. Banks close 17:00 sharp.

From United Kingdom the outbound access code is 00, so a manual dial reads 00 then +1 then the local number. Intercalling removes that step: the call goes through your browser, so there is nothing to install and no SIM card to swap when you travel between United Kingdom and United States.

Most mobiles in United States sit on operators such as Verizon Wireless, AT&T Mobility, T-Mobile US. Voicemail is widely used and read by transcription; leaving a brief callback request often gets faster response than re-dialing.

United States runs on UTC minus 5, and it shifts for daylight saving, so confirm the current difference before an early or late call.

How to dial United States from United Kingdom

Dial the exit code 00

00 is the international access code used when dialing out of United Kingdom. On a mobile you can press and hold 0 to enter the plus sign instead.

Enter the country code +1

+1 routes the call to United States.

Add the local number

Dial the destination number without its leading 0. For New York that means including the area code 212/646/332.

Line type	Per minute	10 minute call
Landline	$0.0431	$0.43

Line type

Per minute

10 minute call

Landline

$0.0431

$0.43

Frequently asked questions

How do I call United States from United Kingdom?+

Dial 00 then +1 followed by the local number without its leading 0. From a browser on Intercalling you simply enter the number and press call, with no exit code to remember.

What is the country code for United States?+

The country code for United States is +1. New York uses the area code 212/646/332.

What is the best time to call United States?+

The destination is 5 hours behind you. Calling between 14:00 to 17:00 your time reaches United States during its working day (09:00 to 12:00 local time).

Do I need to install an app to call United States?+

No. Intercalling runs in your browser on Chrome, Safari, Edge and Firefox, so you can place the call without downloading anything or buying a phone number for outbound calls.

Can I receive calls as well?+

Outbound calls need no number. To receive inbound calls you add a US or Canada digital number, billed monthly, and answer it in the same browser tab.

Cheap Calls to the USA
From the UK

What you get