GB United Kingdom Major Regions Postal Code Details
๐๏ธ Rhondda Cynon Taf ยท Wales
CF44 6AX
Aberaman
CF44 6AD
Abercwmboi
CF45 4TJ
Abercynon
CF44 6RP
Aberdare
CF38 2SR
Beddau
CF40 2DA
Blaenclydach
CF42 5DY
Blaencwm
CF43 4NN
Blaenllechau
CF42 5SD
Blaenrhondda
CF72 9RY
Bryncae
CF72 9SW
Brynna
CF72 9DH
Brynsadler
CF72 8LR
Brynteg
CF45 4DR
Cefn Pennar
CF38 1BS
Church Village
CF37 4EY
Cilfynydd
CF40 2XY
Clydach Vale
CF39 8EX
Coed Ely
CF37 3JH
Coed-Y-Cwm
CF37 4LU
Coedpenmaen
CF44 0PJ
Croesbychan
CF72 8HG
Cross Inn
CF44 6LE
Cwmaman
CF44 0EW
Cwmbach
CF44 8PT
Cwmdare
CF42 6LS
Cwmparc
CF45 4DN
Cwmpennar
CF39 9AN
Cymmer
CF38 1AD
Efail Isaf
CF43 4NB
Ferndale
CF44 8DN
Gadlys
CF41 7NX
Gelli
CF39 8TR
Gilfach Goch
CF15 7JE
Glan-Y-Llyn
CF37 3BS
Glyncoch
CF39 9LW
Glynfach
CF37 4BB
Glyntaff
CF44 6DL
Godreaman
CF37 1QU
Graig
CF37 3NN
Graigwen
CF72 8NH
Groesfaen
CF37 5AW
Hawthorn
CF39 8YH
Hendreforgan
CF44 9LE
Hirwaun
CF37 2SJ
Hopkinstown
CF72 9NY
Llanharan
CF72 9HN
Llanharry
CF72 8YW
Llantrisant
CF38 2HW
Llantwit Fardre
CF37 3PH
Llanwonno
CF44 0US
Llwydcoed
CF39 9UA
Llwyncelyn
CF40 2JP
Llwynypia
CF43 4TW
Maerdy
CF37 1QB
Maesycoed
CF72 8QX
Miskin
CF39 0BG
Mount Pleasant
CF45 4AH
Mountain Ash
CF72 8PJ
Mwyndy
CF15 7ST
Nantgarw
CF37 2SA
Pantygraigwen
CF44 9QA
Penderyn
CF45 3UR
Penrhiwceiber
CF40 1SH
Penrhiwfer
CF43 3PG
Penrhys
CF41 7BZ
Pentre
CF37 1PQ
Penycoedcae
CF40 1ET
Penygraig
CF44 9DH
Penywaun
CF72 9AJ
Pontyclun
CF43 3LS
Pontygwaith
CF37 2AA
Pontypridd
CF44 9PJ
Rhigos
CF72 8NY
Rhiwsaeson
CF37 5DA
Rhydyfelin
CF43 3HA
Stanleytown
CF15 7RJ
Taffs Well
CF72 8HW
Talbot Green
CF72 9DA
Talygarn
CF39 8EQ
Thomastown
CF41 7AN
Ton Pentre
CF38 1HH
Tonteg
CF40 2BZ
Tonypandy
CF37 5YE
Upper Boat
CF38 1EE
Upper Church Village
CF39 0PJ
Wattstown
CF40 1RF
Williamstown
CF45 4AZ
Ynysboeth
CF39 0HB
Ynyshir
CF72 8TA
Ynysmaerdy
CF37 3HZ
Ynysybwl
CF41 7TB
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).