U.S. Embassy in London, United Kingdom


The U.S. Embassy in London, United Kingdom, serves the entire United Kingdom except Northern Ireland (essentially, the Great Britain area).


Mailing Address:
24 Grosvenor Square
London, W1A 1AE
United Kingdom
Physical Address:
24 Grosvenor Square
London, W1A 2LQ
United Kingdom

Getting There

If you are using a GPS or internet navigation such as Google Maps, you must use the physical address listed above (the difference between the mailing address and the physical address is only the postal code.) If you use the postal address for this, you will be led to a post office sorting location.

The Embassy is located in the Mayfair area on Grosvenor Square. 

When traveling by tube (London Underground), take the Central Line to Bond Street or Marble Arch. 

If traveling to the Embassy from Oxford Street, walk down North Audley Street, located opposite the Marble Arch Marks & Spencer’s Store and Selfridges.

Please do not bring electronic devices or large bags to the Embassy, as they are not allowed in and there is no place to store them at the Embassy. See the list of third party Left-Luggage storage facilities.

Contact Information

Switchboard: +44-20-7499-9000 

Website: U.S. Embassy London

Nonimmigrant Visas

Operator-Assisted Visa Information

Hours of Operation:
Monday through Friday: 8 AM to 9 PM GMT
Saturday: 9 AM to 4 PM GMT

Callers within the U.K.

Call: 09042-450-100 

No prefix or dialing code is required. It is NOT a London number. This number cannot be called from outside the U.K. or from some mobile and network providers.

Charges: £1.23/min plus network extras. You will not be charged for the time taken for collecting the payment information and processing it.

Callers from the U.S.

Call: 1-866-382-3589 

Charges: $16.00, fixed-rate, payable by Visa, MasterCard, or American Express.

U.K. address required when scheduling the appointment.

American Citizen Services

Services provided to the U.S. citizens in England and Wales. 

List of American citizen services

Genuine emergencies, 24 hours a day, 7 days a week: +44-20-7499-9000

Passport & Citizenship Unit

Phone: +44-20-7499-9000
Live Support: Monday to Friday, 2:30 PM – 4:30 PM, except on American and local public holidays
Recorded Information: 24 hours a day, 7 days a week
Email: [email protected]
Email is a preferred method of communication

Mailing Address:
Passport & Citizenship Unit
U.S. Embassy
55/56 Upper Brook Street
London, W1A 2LQ
United Kingdom

Special Consular Services (SCS) Unit

Phone: +44-20-7499-9000
Recorded Information: 24 hours a day, 7 days a week
Fax: +44-20-7495-5012
Email: [email protected]


For reporting errors on the Embassy website: [email protected]

How useful was this post?

Click on a star to rate it!

We are sorry that this post was not useful for you!

Let us improve this post!

Tell us how we can improve this post?


For visitors, travel, student and other international travel medical insurance.

Visit insubuy.com or call +1 (866) INSUBUY or +1 (972) 985-4400