GB United Kingdom Major Regions Postal Code Details
๐๏ธ Rhondda Cynon Taf ยท Wales
CF44 6AX
Aberaman
CF44 6AQ
Abercwmboi
CF45 4RT
Abercynon
CF44 0PD
Aberdare
CF38 2SR
Beddau
CF40 2RY
Blaenclydach
CF42 5EB
Blaencwm
CF43 4NY
Blaenllechau
CF42 5SH
Blaenrhondda
CF72 9ZF
Bryncae
CF72 9SX
Brynna
CF72 9BU
Brynsadler
CF72 8LT
Brynteg
CF45 4ED
Cefn Pennar
CF38 1BF
Church Village
CF37 4SF
Cilfynydd
CF40 2DR
Clydach Vale
CF39 8HJ
Coed Ely
CF37 3JJ
Coed-Y-Cwm
CF37 4LW
Coedpenmaen
CF44 0EJ
Croesbychan
CF72 8BG
Cross Inn
CF44 6HR
Cwmaman
CF44 0DA
Cwmbach
CF44 8PT
Cwmdare
CF42 6HA
Cwmparc
CF45 4DB
Cwmpennar
CF39 9HW
Cymmer
CF38 1BP
Efail Isaf
CF43 4LN
Ferndale
CF44 8DN
Gadlys
CF41 7NH
Gelli
CF39 8ST
Gilfach Goch
CF15 7QD
Glan-Y-Llyn
CF37 3AD
Glyncoch
CF39 9LW
Glynfach
CF37 4BA
Glyntaff
CF44 6ED
Godreaman
CF37 1LH
Graig
CF37 2LD
Graigwen
CF72 8RU
Groesfaen
CF37 5AD
Hawthorn
CF39 8UW
Hendreforgan
CF44 9NY
Hirwaun
CF37 2RA
Hopkinstown
CF72 9RN
Llanharan
CF72 9WJ
Llanharry
CF72 8LP
Llantrisant
CF38 2PL
Llantwit Fardre
CF37 3PH
Llanwonno
CF44 0LJ
Llwydcoed
CF39 9TQ
Llwyncelyn
CF40 2JP
Llwynypia
CF43 4DR
Maerdy
CF37 1QE
Maesycoed
CF72 8PG
Miskin
CF39 0BG
Mount Pleasant
CF45 3RW
Mountain Ash
CF72 8PP
Mwyndy
CF15 7UL
Nantgarw
CF37 2SA
Pantygraigwen
CF44 9UJ
Penderyn
CF45 3AJ
Penrhiwceiber
CF40 1SG
Penrhiwfer
CF43 3RE
Penrhys
CF41 7DP
Pentre
CF37 1XA
Penycoedcae
CF40 1QA
Penygraig
CF44 9BB
Penywaun
CF72 9HF
Pontyclun
CF43 3LJ
Pontygwaith
CF37 1BW
Pontypridd
CF44 9BX
Rhigos
CF72 8NY
Rhiwsaeson
CF37 5BZ
Rhydyfelin
CF43 3ER
Stanleytown
CF15 7PF
Taffs Well
CF72 8SY
Talbot Green
CF72 9WR
Talygarn
CF39 8FD
Thomastown
CF41 7EF
Ton Pentre
CF38 1PG
Tonteg
CF40 1RJ
Tonypandy
CF37 5YE
Upper Boat
CF38 1EB
Upper Church Village
CF39 0PD
Wattstown
CF40 1NH
Williamstown
CF45 4PJ
Ynysboeth
CF39 0HD
Ynyshir
CF72 8TD
Ynysmaerdy
CF37 3LG
Ynysybwl
CF41 7RX
Ystrad
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).