GB United Kingdom Major Regions Postal Code Details
🏛️ South Ayrshire · Scotland
KA6 6BQ
Ailsa Hospital
KA7 4NH
Alloway
KA6 5EQ
Annbank
KA6 5HT
Auchincruive
KA7 4NT
Ayr
KA26 0NU
Ballantrae
KA26 9TS
Barr
KA26 0RF
Barrhill
KA1 5QR
Bogend
KA26 0SB
Colmonell
KA6 6HY
Coylton
KA1 5LT
Craigie
KA19 7PX
Crosshill
KA19 8JS
Croy
KA19 8JZ
Culzean
KA26 9SS
Dailly
KA7 4JN
Doonfoot
KA2 9BP
Dundonald
KA7 4LW
Dunure
KA7 4LG
Fisherton
KA26 9BH
Girvan
KA9 2QA
Glasgow Prestwick Intnl Airport
KA8 9RX
Heathfield Industrial Estate
KA19 7SG
Kilkerran
KA19 7PP
Kirkmichael
KA19 8HY
Kirkoswald
KA26 0JJ
Lendalfoot
KA10 7LY
Loans
KA26 9NN
Maidens
KA6 5HD
Mainholm
KA19 8BN
Maybole
KA19 8FE
Minishant
KA9 2QX
Monkton
KA6 5BB
Mossblown
KA26 9RE
Old Dailly
KA6 6LP
Old Toll
KA26 0TE
Pinmore
KA26 0SW
Pinwherry
KA9 2LB
Prestwick
KA6 5AB
Saint Quivox
KA9 2TQ
Shawfarm Industrial Estate
KA19 7NY
Straiton
KA6 5JG
Sundrum
KA1 5RX
Symington
KA5 5PR
Tarbolton
KA10 6AB
Troon
KA26 9LZ
Turnberry
📮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).