GB United Kingdom Major Regions Postal Code Details
🏛️ Torfaen (tor Faen) · Wales
NP4 7BB
Abersychan
NP44 1TS
Avondale Industrial Estate
NP4 9ND
Blaenavon
NP4 7TX
British
NP44 6UR
Coed Eva
NP4 8QW
Coed Yr Eos
NP4 6EN
Coedcae
NP44 2ZA
Croesyceiliog
NP4 8XJ
Cwmavon
NP44 1PU
Cwmbran
NP4 5SH
Cwmfields
NP4 0JL
Cwmoody
NP44 4QX
Fairwater
NP4 9DG
Forge Side
NP4 9AX
Garn Yr Erw
NP4 7NY
Garndiffaith
NP44 5HF
Greenmeadow
NP4 7RE
Greenway
NP44 3DX
Greenwillows
NP4 5SU
Griffithstown
NP44 6EX
Henllys
NP44 7UU
Hollybush
NP44 8YN
Llanfrechfa
NP44 3DJ
Llantarnam
NP44 3GA
Llantarnam Industrial Park
NP4 0JB
Llanvihangel
NP44 8RT
Llanyravon
NP4 5PD
Lower Cwm
NP4 5UG
Lower Race
NP4 0QG
New Inn
NP44 3EG
Oakfield
NP4 6UR
Old Furnace
NP4 8JX
Old Penygarn
NP4 6ER
Pantygasseg
NP4 6PX
Pentrepiod
NP4 7TG
Pentwyn
NP4 8BG
Penygarn
NP4 5XP
Penyrheol
NP4 6TU
Plasycoed
NP18 1GZ
Ponthir
NP44 1BB
Pontnewydd
NP4 6SY
Pontnewynydd
NP44 1FH
Pontrhydyrun
NP4 8ET
Pontymoile
NP4 6HF
Pontypool
NP44 4AD
Saint Dials
NP4 5BJ
Sebastopol
NP4 0TA
Sluvad
NP4 7JG
Talywain
NP44 5UB
Thornhill
NP4 6BS
Tranch
NP4 8JL
Trevethin
NP44 7HS
Two Locks
NP44 6JJ
Ty Canol
NP44 7BA
Ty Coch
NP44 5AS
Upper Cwmbran
NP4 5XF
Upper Race
NP4 7QF
Varteg
NP4 6DR
Wainfelin
📮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).