GB United Kingdom Major Regions Postal Code Details
🏛️ Merthyr Tydfil (merthyr Tudful) · Wales
CF48 1YWAbercanaid
Abercanaid merthyr tydfil (merthyr tudful) wales CF48 1YW United Kingdom
CF48 4RBAberfan
Aberfan merthyr tydfil (merthyr tudful) wales CF48 4RB United Kingdom
CF46 6SWBedlinog
Bedlinog merthyr tydfil (merthyr tudful) wales CF46 6SW United Kingdom
CF48 3PHCaeharris
Caeharris merthyr tydfil (merthyr tudful) wales CF48 3PH United Kingdom
CF48 2PACefn Coed
Cefn Coed merthyr tydfil (merthyr tudful) wales CF48 2PA United Kingdom
CF48 1PYClwydyfagwyr
Clwydyfagwyr merthyr tydfil (merthyr tudful) wales CF48 1PY United Kingdom
CF48 2HSCwmtaf
Cwmtaf merthyr tydfil (merthyr tudful) wales CF48 2HS United Kingdom
CF48 3NWDowlais
Dowlais merthyr tydfil (merthyr tudful) wales CF48 3NW United Kingdom
CF48 3PSDowlais Top
Dowlais Top merthyr tydfil (merthyr tudful) wales CF48 3PS United Kingdom
CF46 5NHEdwardsville
Edwardsville merthyr tydfil (merthyr tudful) wales CF46 5NH United Kingdom
CF48 1EEGeorgetown
Georgetown merthyr tydfil (merthyr tudful) wales CF48 1EE United Kingdom
CF47 9BYGurnos
Gurnos merthyr tydfil (merthyr tudful) wales CF47 9BY United Kingdom
CF47 8DJGwaunfarren
Gwaunfarren merthyr tydfil (merthyr tudful) wales CF47 8DJ United Kingdom
CF48 1SNHeolgerrig
Heolgerrig merthyr tydfil (merthyr tudful) wales CF48 1SN United Kingdom
CF47 0JAMerthyr Tydfil
Merthyr Tydfil merthyr tydfil (merthyr tudful) wales CF47 0JA United Kingdom
CF48 2ASPant
Pant merthyr tydfil (merthyr tudful) wales CF48 2AS United Kingdom
CF48 4BZPentrebach
Pentrebach merthyr tydfil (merthyr tudful) wales CF48 4BZ United Kingdom
CF47 0SXPenydarren
Penydarren merthyr tydfil (merthyr tudful) wales CF47 0SX United Kingdom
CF48 2TSPontsarn
Pontsarn merthyr tydfil (merthyr tudful) wales CF48 2TS United Kingdom
CF48 2UWPontsticill
Pontsticill merthyr tydfil (merthyr tudful) wales CF48 2UW United Kingdom
CF46 5PDPontygwaith
Pontygwaith merthyr tydfil (merthyr tudful) wales CF46 5PD United Kingdom
CF46 5HJQuakers Yard
Quakers Yard merthyr tydfil (merthyr tudful) wales CF46 5HJ United Kingdom
CF47 8TAThe Quar
The Quar merthyr tydfil (merthyr tudful) wales CF47 8TA United Kingdom
CF48 2LFTrefechan
Trefechan merthyr tydfil (merthyr tudful) wales CF48 2LF United Kingdom
CF46 5DNTreharris
Treharris merthyr tydfil (merthyr tudful) wales CF46 5DN United Kingdom
CF46 6AWTrelewis
Trelewis merthyr tydfil (merthyr tudful) wales CF46 6AW United Kingdom
CF48 4EDTroedyrhiw
Troedyrhiw merthyr tydfil (merthyr tudful) wales CF48 4ED United Kingdom
CF47 0PUTwynyrodyn
Twynyrodyn merthyr tydfil (merthyr tudful) wales CF47 0PU United Kingdom
CF48 2TTVaynor
Vaynor merthyr tydfil (merthyr tudful) wales CF48 2TT United Kingdom
📋 United Kingdom Address and Delivery Guidance
📮
Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
🌍
Follow Local Address Conventions:
Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
✅
Verify Before Dispatch:
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
💡
Delivery Information Is Context-Specific:
Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.
Postal information, sources and verification
Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.
Editorial and service accountability
This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.
This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.
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📮United Kingdom Postal FAQ and delivery guidance
📮 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).
