4 Simple Steps to Call United Kingdom
Follow these easy steps to make your first call
Format the Phone Number
Start with the country code GB, then add the phone number. For example: GB XXX XXX XXXX
Remove any leading zeros from the local number. The country code replaces the trunk prefix.
Choose Between Mobile or Landline
Mobile and landline numbers may have different prefixes and rates in some countries.
Mobile numbers often start with specific digits. Check if the number is mobile or landline to understand potential rate differences.
Check the Best Time to Call
Consider time zone differences and local business hours to ensure your call is answered.
Avoid calling very early in the morning or late at night in the recipient's local time. Business hours are typically 9 AM - 5 PM local time.
Start Your Call Through UseCaller
Use our browser-based calling service to connect. No app download required.
Simply enter the formatted number in your dashboard, add credits if needed, and click call. Crystal clear quality guaranteed.
Essential Facts About Calling United Kingdom
Capital
London
Time Zone
London
Languages
English
Currency
British Pound (£)
Country Code
+44
Emergency
999
Business Hours
9:00 AM - 5:30 PM
Mobile Prefix
447...
About Calling United Kingdom
Calling United Kingdom from abroad is straightforward with UseCaller. United Kingdom uses the +44 country code for all international calls. The capital city London and other major cities are well-connected with modern telecommunications infrastructure, ensuring crystal-clear call quality. The primary language is English, so you may want to prepare a few key phrases if calling for business. The country operates primarily in the London time zone, which is important to consider when planning your calls. United Kingdom uses the British Pound as its official currency. Business hours typically follow local customs, so checking the time difference before calling is recommended. With UseCaller, connecting to anyone in United Kingdom takes just seconds—no app downloads, no subscriptions, just simple browser-based calling at competitive rates.
Expert Tips for Calling United Kingdom
- 1Drop the leading 0 when dialing from abroad (e.g., 020 becomes 20)
- 2Mobile numbers start with 07
- 3The UK uses GMT in winter and BST (GMT+1) in summer
- 4Business calls before 9 AM are considered too early
- 5London uses 020 as its area code
💡 Did You Know?
The UK invented the first public telephone box in 1920, and the iconic red phone boxes are now protected landmarks.
📱 Telecom Network
EE, Vodafone, O2, and Three are major carriers. The UK has excellent 4G and growing 5G coverage.
Major City Area Codes in United Kingdom
20
London
121
Birmingham
161
Manchester
131
Edinburgh
141
Glasgow
Number Formatting Examples
See how to correctly format phone numbers for United Kingdom
International Format
Standard format used worldwide
From USA
USA exit code + country code + number
Mobile Number
Mobile numbers may start with specific digits
Landline Number
Landline format with area code
Quick Reference Guide
Essential information at a glance for calling United Kingdom
Country Code
GB
Best Calling Hours
9 AM - 5 PM local time
Rate per Minute
$0.03/min
Emergency Numbers
Varies by country