GB United Kingdom Major Regions Postal Code Details
๐๏ธ Flintshire (sir Y Fflint) ยท Wales
CH7 5UP
Afonwen
CH7 6FT
Alltami
CH5 3BA
Aston
CH8 9DH
Axton
CH8 8QH
Babell
CH6 6BX
Bagillt
CH7 6PR
Berth Ddu
CH8 9BA
Berthengam
CH4 0DH
Bretton
CH7 1NJ
Bromfield Industrial Estate
CH4 0RD
Broughton
CH8 7QF
Bryn Celyn
CH7 6SL
Bryn-Y-Baal
CH8 8LR
Brynford
CH7 2PQ
Buckley
LL12 9DY
Caergwrle
CH7 5BR
Caerwys
CH8 8SP
Carmel
CH7 5NN
Cilcain
CH5 4UG
Connah's Quay
LL11 5ES
Cymau
CH7 5AB
Ddol
CH5 2HR
Deeside
CH5 2JZ
Deeside Industrial Park
CH5 3NA
Dobshill
CH7 3EQ
Drury
CH5 3LP
Ewloe
CH5 3GU
Ewloe Green
LL11 5HF
Ffrith
CH8 9UG
Ffynnongroyw
CH6 5XW
Flint
CH6 5QN
Flint Mountain
CH5 2JS
Garden City
CH8 9BQ
Glan-Yr-Afon
CH8 8RP
Gorsedd
CH8 7EX
Greenfield
LL19 9TF
Gronant
LL18 6LG
Gwaenysgor
CH7 5EE
Gwernaffield
CH7 5LP
Gwernymynydd
CH8 9LS
Gwespyr
CH8 8BU
Halkyn
CH5 3DF
Hawarden
CH5 3QW
Hawarden Industrial Park
CH7 5QP
Hendre
CH1 6QE
Higher Ferry
CH4 9BP
Higher Kinnerton
CH8 8ST
Holway
CH8 7TX
Holywell
LL12 9NX
Hope
CH7 4SU
Leeswood
CH8 8NE
Lixwm
CH8 9NE
Llanasa
CH8 9DQ
Llanerch-Y-Mor
LL11 5HH
Llanfynydd
CH8 8RG
Lloc
CH7 4JP
Llong
CH5 2EF
Mancot
CH8 8BE
Milwr
CH7 1YU
Mold
CH8 9PN
Mostyn
CH7 4BR
Mynydd Du
CH7 6YG
Mynydd Isa
CH7 5RE
Nannerch
CH7 4EZ
Nercwys
CH7 6FW
New Brighton
CH7 6WD
Northop
CH7 6GB
Northop Hall
CH6 5EA
Oakenholt
CH7 4JA
Padeswood
CH7 5ER
Pant Y Buarth
CH8 8PN
Pantasaph
CH7 5EP
Pantymwyn
CH5 2AA
Pentre
CH8 8EU
Pentre Halkyn
CH4 0JU
Penyffordd
CH4 0LJ
Penymynydd
CH7 4HF
Pontblyddyn
CH7 4TF
Pontybodkin
CH5 1SA
Queensferry
CH8 8JG
Rhes-Y-Cae
CH8 9HX
Rhewl
CH7 6PT
Rhosesmor
CH7 5HD
Rhydymwyn
CH4 8TB
Saltney
CH4 0AZ
Saltney Ferry
CH5 2FG
Sandycroft
CH8 9DE
Sarn
CH5 2NQ
Sealand
CH5 1QE
Shotton
CH7 6ER
Sychdyn
CH8 9RP
Talacre
CH8 9JY
Tanlan
CH8 9AR
Tre-Mostyn
LL18 6EE
Trelawnyd
CH8 9BU
Trelogan
CH7 4PB
Treuddyn
CH8 9ER
Whitford
CH8 8NL
Ysceifiog
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).