GB United Kingdom Major Regions Postal Code Details
🏛️ East Lothian · Scotland
EH32 0UG
Aberlady
EH39 5BH
Athelstaneford
EH42 1PD
Belhaven
EH39 5PL
Canty Bay
EH21 8PW
Carberry
EH32 0HT
Cockenzie
EH39 5HS
Dirleton
EH39 5BN
Drem
EH42 1FW
Dunbar
EH39 5JZ
East Fortune
EH40 3EL
East Linton
EH34 5ED
East Saltoun
EH33 2NW
Elphinstone
EH41 4LN
Garvald
EH41 4JD
Gifford
EH33 1EE
Gladsmuir
EH31 2DT
Gullane
EH41 3QF
Haddington
EH36 5PE
Humbie
EH42 1SB
Innerwick
EH21 7TT
Inveresk
EH39 5JD
Kingston
EH32 0LH
Longniddry
EH41 4PZ
Luggate
EH33 1PN
Macmerry
EH21 6SN
Monktonhall
EH21 6NZ
Musselburgh
EH33 2NN
New Winton
EH39 5AX
North Berwick
EH21 8TA
Old Craighall
TD13 5XP
Oldhamstocks
EH35 5LF
Ormiston
EH34 5AS
Pencaitland
EH32 0TW
Port Seton
EH32 9LT
Prestonpans
EH42 1UY
Spott
EH42 1TE
Stenton
EH33 1HZ
Tranent
EH42 1XN
Tyninghame
EH21 8LA
Wallyford
EH42 1TZ
West Barns
EH39 5AJ
West Fenton
EH21 8NA
Whitecraig
EH42 1XT
Whitekirk
📮GB United Kingdom Regional Postal Code FAQ & Postal Regulations
📮 What is the basic format of a UK postcode?
A UK postcode consists of 5-7 alphanumeric characters, split into two parts: the outward code (area and district) and inward code (specific street/building). Examples: SW1A 1AA (London) or M1 1AE (Manchester).
🔍 How to find or validate a UK postcode?
Use Royal Mail's free Postcode Finder tool on their official website to search by address, or third-party APIs for validation.
⚠️ What happens if I write a wrong postcode?
Incorrect postcodes may cause delays, returns, or lost mail. For important items, use Tracked services and double-check the recipient's postcode.
📬 Is a postcode mandatory for UK mail?
Yes! Postcodes are essential. Mail without a postcode or with errors faces significant delivery issues. Always write the postcode on a separate line at the end of the address (e.g., London SW1A 1AA).