How to call a phone number in London from the United States

The number you have for London might be presented in a number of different ways:

+44 (0)20 5555 5555 (this has the UK country code)

020 5555 5555 (this assumes you're calling from within the UK)

5555 5555 (very unlikely, because it doesn't include the area code)

In each case you'll need the country code (44 for UK), and the area code, minus the leading zero (20 in the case of the example above).

To call any international number from the US, start with 011 first (from a landline phone) or hold down the 0 button until it turns into a + (from a cellphone).

011 44 20 5555 5555 (from a regular landline phone)

+44 20 5555 5555 (from your cellphone)

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Comments 20 comments

Lyricallor profile image

Lyricallor 9 years ago from Croydon

Thanks...I didn't know about the cell phone dialing.

Isabella Snow profile image

Isabella Snow 9 years ago

Gawd, calling between countries over here is such a PITA. Though, at least here they write it +420, so you don't have to wonder what the friggin 0 means! The first time I ever called Europe from the US (to AMS) it took me 5 tries to figure it out. I could have used this hub then, lol. :)

cgull8m profile image

cgull8m 9 years ago from North Carolina

It takes time to adjust, now I don't that much mostly e-mails and chat with overseas friends. This is a good one for those who want to call UK, same priniciple for other countries also.

Hal Licino profile image

Hal Licino 9 years ago from Toronto

If you think this is confusing, Italy uses the same system with the 0 before the number, and it was like the UK so that you'd have to eliminate the 0 when calling from overseas. Then they changed it so that now you do have to put the 0 in. Unless of course, you're calling a cell number in which case you don't use 0. Oh fer cryin' out loud!!!:)

KnitChick 8 years ago

Ah thank you!!! I need to call a store in the UK and I was trying to figure that out! This helps BIG TIME!!!! :)

Pepino 8 years ago

Thank you very mych for this website. It really helped. All the other websites had a bunch of weird numbers. Thanks for keeping it simple and to the point. Thanks it really helped a lot.

Jacob 8 years ago

These always confuse me.

okp 8 years ago

how to call from US using the internation phone card from my cell phone?

shyone 7 years ago

To call London from the us using any phone its 011 44 20 + 8 digits

Matthew 7 years ago

This however did NOT work for sending a txt or a pix message. tried all ways possible, and said invalid destination address...

livelonger profile image

livelonger 7 years ago from San Francisco Author

Matthew - maybe your cell phone is not enabled by your carrier to send international text messages.

Elaine 6 years ago

Holding down the 0 did not change into a +. What am I doing wrong? I want to call a cell # and must use the +44. This is very frustrating

John 6 years ago

Elaine, on my phone (a Motorola) you have to hold * for the +, not 0. Maybe yours is the same way.

Tiffany 6 years ago

Im frustrated Im trying to call London using a cell phone through a calling card ugh!!!

DeeJ 6 years ago

I am trying to text a friend in london on his celly, n i cant seem to figure out what codes i need to add before this number :S like do i need to add +44 AND 20? :S can someone help me out plss!

glittes 6 years ago

thanks for this update. What a hassle to call Europe. sometimes I always think we are still living in a dark world

nick 5 years ago

Motorola) you have to.03332467669.03422208412*01*04*2011

Lawrence 5 years ago

How do you use Magic Jack to call UK from your computer. I have already prepaid into my account using credit card.

kelly 4 years ago

I have verizon and it will not call london at all ugh also. he has the same problem for some reason. Can someone help me cause I had pushed down 0 and i pushed type in * to. I do have international calling on my cell phone. I don't see what i am doing wrong. :/

Nelson Rood 4 years ago

Thank you. I had forgotten both processes and this worked perfectly.

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