GB United Kingdom Major Regions Postal Code Details
🏛️ Newport (casnewydd) · Wales
NP20 4DPBaneswell
Baneswell newport (casnewydd) wales NP20 4DP United Kingdom
NP10 8LRBassaleg
Bassaleg newport (casnewydd) wales NP10 8LR United Kingdom
NP20 7DUBettws
Bettws newport (casnewydd) wales NP20 7DU United Kingdom
NP18 2DZBishton
Bishton newport (casnewydd) wales NP18 2DZ United Kingdom
NP20 5PZBlaen Y Pant
Blaen Y Pant newport (casnewydd) wales NP20 5PZ United Kingdom
NP18 1AZCaerleon
Caerleon newport (casnewydd) wales NP18 1AZ United Kingdom
CF3 2UPCastleton
Castleton newport (casnewydd) wales CF3 2UP United Kingdom
NP18 1JQCatsash
Catsash newport (casnewydd) wales NP18 1JQ United Kingdom
NP19 4RHCeltic Business Park
Celtic Business Park newport (casnewydd) wales NP19 4RH United Kingdom
NP10 8BECeltic Lakes
Celtic Lakes newport (casnewydd) wales NP10 8BE United Kingdom
NP18 1JLChristchurch
Christchurch newport (casnewydd) wales NP18 1JL United Kingdom
NP10 8UFCoedkernew
Coedkernew newport (casnewydd) wales NP10 8UF United Kingdom
NP10 8WZDuffryn
Duffryn newport (casnewydd) wales NP10 8WZ United Kingdom
NP18 2ATGoldcliff
Goldcliff newport (casnewydd) wales NP18 2AT United Kingdom
NP18 1JRKemeys Inferior
Kemeys Inferior newport (casnewydd) wales NP18 1JR United Kingdom
NP18 2QJLangstone
Langstone newport (casnewydd) wales NP18 2QJ United Kingdom
NP19 4QULeeway Industrial Estate
Leeway Industrial Estate newport (casnewydd) wales NP19 4QU United Kingdom
NP19 4NQLiswerry
Liswerry newport (casnewydd) wales NP19 4NQ United Kingdom
NP26 3WNLlandavenny
Llandavenny newport (casnewydd) wales NP26 3WN United Kingdom
NP18 2AJLlandevaud
Llandevaud newport (casnewydd) wales NP18 2AJ United Kingdom
NP18 2EZLlanmartin
Llanmartin newport (casnewydd) wales NP18 2EZ United Kingdom
NP26 3BELlanvaches
Llanvaches newport (casnewydd) wales NP26 3BE United Kingdom
NP18 2DPLlanwern
Llanwern newport (casnewydd) wales NP18 2DP United Kingdom
NP10 8GZLower Machen
Lower Machen newport (casnewydd) wales NP10 8GZ United Kingdom
NP20 3DPMaesglas
Maesglas newport (casnewydd) wales NP20 3DP United Kingdom
NP20 6QDMalpas
Malpas newport (casnewydd) wales NP20 6QD United Kingdom
CF3 2TFMarshfield
Marshfield newport (casnewydd) wales CF3 2TF United Kingdom
CF3 6XWMichaelston-Y-Fedw
Michaelston-Y-Fedw newport (casnewydd) wales CF3 6XW United Kingdom
NP18 2BZNash
Nash newport (casnewydd) wales NP18 2BZ United Kingdom
NP19 7FFNewport
Newport newport (casnewydd) wales NP19 7FF United Kingdom
NP26 3ABParc Seymour
Parc Seymour newport (casnewydd) wales NP26 3AB United Kingdom
NP26 3AEPenhow
Penhow newport (casnewydd) wales NP26 3AE United Kingdom
CF3 2TPPeterstone Wentlooge
Peterstone Wentlooge newport (casnewydd) wales CF3 2TP United Kingdom
NP19 4SYQueensway Meadows Industrial Estate
Queensway Meadows Industrial Estate newport (casnewydd) wales NP19 4SY United Kingdom
NP26 3DRRedwick
Redwick newport (casnewydd) wales NP26 3DR United Kingdom
NP19 4YHReevesland Industrial Estate
Reevesland Industrial Estate newport (casnewydd) wales NP19 4YH United Kingdom
NP10 8RRRhiwderin
Rhiwderin newport (casnewydd) wales NP10 8RR United Kingdom
NP10 9JSRogerstone
Rogerstone newport (casnewydd) wales NP10 9JS United Kingdom
NP10 8SQSaint Brides Wentlooge
Saint Brides Wentlooge newport (casnewydd) wales NP10 8SQ United Kingdom
NP19 7TASaint Julians
Saint Julians newport (casnewydd) wales NP19 7TA United Kingdom
NP18 2PNWhitson
Whitson newport (casnewydd) wales NP18 2PN 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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Your search terms are handled under our Privacy Policy. Review our Terms of Service and disclaimer before relying on any logistics or delivery information.
📮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).
