GB United Kingdom Major Regions Postal Code Details
๐๏ธ Caerphilly (caerffili) ยท Wales
CF81 9EY
Aberbargoed
NP11 5LB
Abercarn
CF83 4DR
Abertridwr
NP22 5AX
Abertysswg
NP12 0AJ
Argoed
CF81 8UR
Bargoed
CF83 8HP
Bedwas
CF83 8GF
Bedwas House Industrial Estate
NP12 0BE
Bedwellty
NP12 1PR
Blackwood
NP12 3PJ
Bonnie View
NP24 6JW
Brithdir
CF83 2WP
Caerphilly
CF81 9GE
Deri
NP10 8GD
Draethen
CF82 7UB
Dyffryn Business Park
NP24 6DE
Elliots Town
CF83 2UZ
Energlyn
NP12 3FY
Fairview
NP12 3UQ
Fleur De Lis
CF81 9JL
Fochriw
CF82 8DT
Gelligaer
NP12 2HS
Gelligroes
NP12 2EU
Gellihaf
CF81 8PB
Gilfach
NP12 3XG
Glan Y Nant
CF15 7UU
Groeswen
NP12 1GQ
Grove Park
NP11 5BE
Hafodyrynys
CF82 7NP
Hengoed
NP12 0ST
Hollybush
NP12 2ET
Libanus Fields
CF83 3PB
Llanbradach
CF46 6PG
Llanfabon
NP22 5QU
Llechryd
NP12 2HY
Lower Gelligroes
CF83 8LG
Machen
CF82 7PF
Maesycwmmer
NP12 0GA
Manmoel
NP12 0RB
Markham
NP12 2BE
Mynyddislwyn
CF46 6PL
Nelson
NP12 2BB
New Bethel
NP24 6AB
New Tredegar
NP11 3DB
Newbridge
NP12 0LX
Oakdale
NP12 4AE
Oakdale Business Park
NP11 6EL
Ochrwyth
CF48 4AR
Pant-Y-Waun
NP11 5GP
Pantyresk
NP11 3XG
Pen-Y-Fan Industrial Estate
CF82 6AR
Penallta
CF82 7SU
Penallta Industrial Estate
NP12 3QX
Pengam
NP12 0EU
Penmaen
CF82 8BR
Penpedairheol
CF81 9NP
Pentwyn
NP11 3JU
Pentwyn Crumlin
NP11 4HY
Pentwynmawr
CF82 7FY
Penybryn
CF83 2RH
Penyrheol
NP24 6AY
Phillipstown
NP12 2DQ
Pontllanfraith
CF81 9PL
Pontlottyn
NP11 7FU
Pontywaun
CF83 3RZ
Porset
NP22 3AF
Princetown
CF83 3SA
Pwllypant
NP22 5DR
Rhymney
NP22 5QG
Rhymney Bridge
NP11 6HS
Risca
CF83 3DT
Rudry
CF83 4FY
Senghenydd
NP12 1HU
Sunnybank
NP12 2PS
The Bryn
NP12 0EA
The Rhiw
NP12 1DA
The Rock
CF83 1LX
Thornhill
CF82 8AL
Tir-Y-Berth
NP24 6ES
Tirphil
CF83 8DE
Trethomas
NP11 3LP
Trinant
NP24 6LR
Troedrhiwfuwch
NP12 2HR
Upper Gelligroes
NP12 3FL
Upper Trelyn
CF83 8NJ
Waterloo
NP11 7QX
Wattsville
CF83 3DB
Wernddu
CF83 8QQ
White Hart
NP12 0DB
Woodfieldside
NP12 2HB
Wyllie
NP11 7LD
Ynysddu
CF82 7EJ
Ystrad Mynach
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).