World Sim Customer Service Numbers

World Sim Technical and Non Technical Customer Service Support

What is the Customer Service Number to Call at?:
For any type of assistance you can call at tel: +44-20-8819-2557.

Where is World Sim Head Office Located at?
The corporate office is located at 25 Harley Street, London W1G 9BR, United Kingdom.
Directions For Driving: The given driving directions path of World Sim from your place to 25 Harley Street, London W1G 9BR, United Kingdom.

Which is the Website? is the website of the business.

The Locations Near You?
You can get all nearby locations of World Sim on the map?

Customer Service Paths for Additional Help

World Sim Sale/Deal or Discount?
Sale/Deal: In order to get to know about World Sim sale, deal or discount the shortcut provision is also from here.

Return to World Sim
To Return: For return related issues, you are advised to follow the prescribed path.

Login To Your Account
Login/Sign in: You can directly login to your account from here
Please login, or register if you don’t have an account already, to access your account info, itemised billing, online help and to top up.

To Get Answer of Common Question
Problem Solution: World Sim has provided answer to all possible quires on their web portal that covers common issues & problems, instructions, guidance, etc.

How To Contact World Sim Via Message?
Contact us: You can write a text message to World Sim for any issue through the contact us page of
There are lots of ways you can contact us if you need assistance or support. Our Customer Service Team is available 24 hours a day.

To Create Account on World Sim
Sign Up/Register Account: If you are not a registered user, you can create an account.
Unique travel accessories & solutions to slash the cost of international roaming. Check out our range of international SIM cards & data roaming gadgets .

Delivery Process: To know about delivery process, it is advised to follow the deliver path given

What is World Sim in the Process of?

World SIM is a leading telecommunications company operated from the United Kingdom that provides an innovative range of global roaming services and travel accessories. The company has a joint venture between hundred of Mobile network operators to facilitate roaming services. It is a Mobile Virtual Network Operator (MVNO) that gives free international incoming calls facility to nearly 100 countries. The company was introduced in the year of 2006 and has been honored by various awards since its inception including UK Blog Awards-Best UK Organisational Travel Blog 2014, Award for Best Telecoms Provider 2013, Business Travel Show-Gold Award For Innovation 2009, Business Travel Show-Best Traveller Services 2009 and Mobile News Awards-Best UK MVNO 2010.

World SIM Services

World SIM is globally known for its roaming services. It sells its products and services through a widespread network of more than 4,000 distributors comprising airlines, hotels and newsagents and VIA online portal.