GB United Kingdom Major Regions Postal Code Details
๐๏ธ Greater London ยท England
EN5 3JE
Arkley
IG11 7JU
Barking
SM5 1RD
Carshalton
RM10 8DD
Dagenham
EN4 8SH
East Barnet
HA5 2RB
Eastcote
HA8 6PF
Edgware
BR6 7AS
Farnborough
TW13 6UA
Feltham
RM2 6GE
Gidea Park
BR6 6BQ
Green Street Green
UB6 9LR
Greenford
SM6 7GH
Hackbridge
TD15 1WH
Halidon Hill
TW10 5HE
Ham
TW12 3AL
Hampton
TW12 1JG
Hampton Hill
PE7 8QS
Hampton Waters
KT1 4AX
Hampton Wick
TW13 5JH
Hanworth
UB10 8RR
Ickenham
IG1 1DT
Ilford
CR8 5NB
Kenley
HA3 0QX
Kenton
BR2 6AJ
Keston
TW9 3PN
Kew
KT1 1HS
Kingston Upon Thames
RM6 5SS
Little Heath
E14 3QS
London
RM7 8EA
Mawneys
CR4 3ER
Mitcham
CR0 0HW
New Addington
EN5 1AE
New Barnet
KT3 3LJ
New Malden
BR5 2BN
Orpington
UB6 8TA
Perivale
BR5 1BW
Petts Wood
HA5 1PF
Pinner
RM13 7LU
Rainham
TW10 5AP
Richmond
BR5 3SN
Saint Mary Cray
BR5 3HZ
Saint Pauls Cray
BR2 0DP
Shortlands
DA15 9PS
Sidcup
TW11 9QT
Teddington
EN2 8LG
The Ridgeway
CR7 6BS
Thornton Heath
RM14 1LY
Upminster
UB10 0DN
Uxbridge
SM6 8BX
Wallington
UB7 7FL
Yiewsley
๐ฎGB United Kingdom Regional Postal Code FAQ & Postal Regulations
๐ฎ 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).
๐ 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.
โ ๏ธ 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.
๐ฌ 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).