GB United Kingdom Major Regions Postal Code Details
๐๏ธ Merthyr Tydfil (merthyr Tudful) ยท Wales
CF48 1YW
Abercanaid
CF48 4RB
Aberfan
CF46 6SW
Bedlinog
CF48 3PH
Caeharris
CF48 2PA
Cefn Coed
CF48 1PY
Clwydyfagwyr
CF48 2HS
Cwmtaf
CF48 3NW
Dowlais
CF48 3PS
Dowlais Top
CF46 5NH
Edwardsville
CF48 1EE
Georgetown
CF47 9BY
Gurnos
CF47 8DJ
Gwaunfarren
CF48 1SN
Heolgerrig
CF47 0JA
Merthyr Tydfil
CF48 2AS
Pant
CF48 4BZ
Pentrebach
CF47 0SX
Penydarren
CF48 2TS
Pontsarn
CF48 2UW
Pontsticill
CF46 5PD
Pontygwaith
CF46 5HJ
Quakers Yard
CF47 8TA
The Quar
CF48 2LF
Trefechan
CF46 5DN
Treharris
CF46 6AW
Trelewis
CF48 4ED
Troedyrhiw
CF47 0PU
Twynyrodyn
CF48 2TT
Vaynor
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).