United Kingdom
11.8K
7 chars
18
4
Explore United Kingdom's 18 countries with our interactive map.
Locate post offices across United Kingdom. Find addresses and contact information.
Government correspondence mailed within United Kingdom carries 7-character alphanumeric routing digits (SW1A 1AA); GB internal mail centers index.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
United Kingdom uses alphanumeric postcodes with 7 characters (example: SW1A 1AA). In our directory, these codes are organized from countries down to parishes.
Visual Structure
Government correspondence mailed within United Kingdom carries 7-character alphanumeric routing digits (SW1A 1AA); GB internal mail centers index.
How United Kingdom organises areas for postcodes
Browse all 18 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; 49 Moonstone Street; Little Linford MK19 6EA; UNITED KINGDOM
Tips for successful mail and package delivery
Always verify the postcode
Verify your postcode is complete (7 characters) before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full country names to prevent sorting errors.
Don't omit the postcode
Missing postcodes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within United Kingdom typically takes 2–7 business days. International packages require complete address information including the postcode. Always include the correct 7-character code for fastest routing.
Common questions about United Kingdom postcodes
United Kingdom uses 7 characters in the postcode. An example is SW1A 1AA. Government correspondence mailed within United Kingdom carries 7-character alphanumeric routing digits (SW1A 1AA); GB internal mail centers index.
United Kingdom has 18 countries with postcode coverage. Use our browse tool to explore them.
Use our free lookup or browse by country to find the exact postcode for your location.
The postcode is written on the same line as or immediately after the country, before the country name when mailing internationally.
United Kingdom
11.8K
7 chars
18
4
Explore United Kingdom's 18 countries with our interactive map.
Locate post offices across United Kingdom. Find addresses and contact information.
Government correspondence mailed within United Kingdom carries 7-character alphanumeric routing digits (SW1A 1AA); GB internal mail centers index.
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
United Kingdom uses alphanumeric postcodes with 7 characters (example: SW1A 1AA). In our directory, these codes are organized from countries down to parishes.
Visual Structure
Government correspondence mailed within United Kingdom carries 7-character alphanumeric routing digits (SW1A 1AA); GB internal mail centers index.
How United Kingdom organises areas for postcodes
Browse all 18 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; 49 Moonstone Street; Little Linford MK19 6EA; UNITED KINGDOM
Tips for successful mail and package delivery
Always verify the postcode
Verify your postcode is complete (7 characters) before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full country names to prevent sorting errors.
Don't omit the postcode
Missing postcodes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within United Kingdom typically takes 2–7 business days. International packages require complete address information including the postcode. Always include the correct 7-character code for fastest routing.
Common questions about United Kingdom postcodes
United Kingdom uses 7 characters in the postcode. An example is SW1A 1AA. Government correspondence mailed within United Kingdom carries 7-character alphanumeric routing digits (SW1A 1AA); GB internal mail centers index.
United Kingdom has 18 countries with postcode coverage. Use our browse tool to explore them.
Use our free lookup or browse by country to find the exact postcode for your location.
The postcode is written on the same line as or immediately after the country, before the country name when mailing internationally.