Postcode Areas UK

Logistics in the UK are made easier with the use of a postcode system which helps with deliveries, navigation, and other business undertakings. Whether it’s a same-day courier requirement or general postal services, a postcode or two letters like SW for South West London indicates the area of the postcode and two digits represent district centres. 

Postcode Areas

In total, there are 121 postcode areas along with three extra ones for Guernsey, Jersey and the Isle of Man. This approach helps guarantee effective postal service, sameday delivery, business related deliveries, and location analysis on a greater scale.

Full List of UK Postcode Areas by Region

Northern England

Postcode Area Postcode Code Primary Location
NE NE1 – NE71 Newcastle upon Tyne
NW NW1 – NW11 North West London
DH DH1 – DH9 Durham
DL DL1 – DL17 Darlington
FY FY1 – FY8 Blackpool/Fylde
HX HX1 – HX7 Halifax
LS LS1 – LS29 Leeds
M M1 – M99 Manchester
SR SR1 – SR9 Sunderland

Midlands

Postcode Area Postcode Code Primary Location
B B1 – B98 Birmingham
CV CV1 – CV37 Coventry
DE DE1 – DE75 Derby
DY DY1 – DY14 Dudley
LE LE1 – LE67 Leicester
NG NG1 – NG34 Nottingham
ST ST1 – ST21 Stoke-on-Trent
TF TF1 – TF13 Telford
WS WS1 – WS15 Walsall

Eastern England

Postcode Area Postcode Code Primary Location
CB CB1 – CB25 Cambridge
CM CM0 – CM77 Chelmsford
CO CO1 – CO16 Colchester
IP IP1 – IP33 Ipswich
NR NR1 – NR35 Norwich
PE PE1 – PE38 Peterborough
SG SG1 – SG19 Stevenage

Southern England

Postcode Area Postcode Code Primary Location
BA BA1 – BA22 Bath
BH BH1 – BH31 Bournemouth
BN BN1 – BN45 Brighton
BS BS1 – BS49 Bristol
GU GU1 – GU52 Guildford
KT KT1 – KT24 Kingston upon Thames
ME ME1 – ME20 Rochester/Medway
PO PO1 – PO41 Portsmouth
RH RH1 – RH20 Redhill/Reigate
SO SO1 – SO53 Southampton
SP SP1 – SP11 Salisbury
TN TN1 – TN40 Tunbridge Wells

London (8 Postcode Areas)

Postcode Area Postcode Code Primary Location
EC EC1 – EC4 East Central London
E E1 – E20 East London
N N1 – N22 North London
NW NW1 – NW11 North West London
SE SE1 – SE28 South East London
SW SW1 – SW20 South West London
W W1 – W14 West London
WC WC1 – WC2 West Central London

Postcodes in London: A Complex but Efficient System

With eight main postcode areas and numerous districts within, postcodes in London offer a structured way to navigate the city. Each borough and locality has designated postcodes, allowing services like same day courier service, emergency response, deliveries, and transportation planning to function effectively.

From densely populated regions in West London (W), North London (N), and East London (E) to business hubs in EC (East Central) and WC (West Central), the city’s postcode system plays a crucial role in everyday life.

Scotland

Postcode Area Postcode Code Primary Location
AB AB10 – AB56 Aberdeen
DD DD1 – DD11 Dundee
DG DG1 – DG16 Dumfries
EH EH1 – EH55 Edinburgh
FK FK1 – FK21 Falkirk
G G1 – G84 Glasgow
HS HS1 – HS9 Outer Hebrides
IV IV1 – IV63 Inverness
KA KA1 – KA30 Kilmarnock
KW KW1 – KW17 Kirkwall
KY KY1 – KY16 Kirkcaldy
ML ML1 – ML12 Motherwell
PA PA1 – PA80 Paisley
PH PH1 – PH50 Perth
ZE ZE1 – ZE3 Shetland Islands

Wales

Postcode Area Postcode Code Primary Location
CF CF3 – CF83 Cardiff
CH CH1 – CH8 Chester/Wrexham
HR HR1 – HR9 Hereford
LD LD1 – LD8 Llandrindod Wells
LL LL11 – LL78 Llandudno
NP NP4 – NP26 Newport
SA SA1 – SA73 Swansea
SY SY1 – SY25 Shrewsbury
TA TA1 – TA24 Taunton (shared with Somerset)
GL GL1 – GL56 Gloucester (partially Wales)
WR WR1 – WR15 Worcester (partially Wales)

Northern Ireland

Postcode Area Postcode Code Primary Location
BT BT1 – BT94 Belfast (Covers entire region)

Unlike the rest of the UK, Northern Ireland does not have multiple postcode areas. Instead, BT is divided into numerical zones covering different regions.

How UK Postcodes Are Structured

Although UK postcodes might appear completely arbitrary, there is in fact a systematic order for sorting which facilitates efficient sameday delivery and postal delivery:

  • Postcode Area – The widest extent of classification defined by one or two letters, such as “SW” which refers to South West London.

  • The number follows postcode District – to further define the location; for instance, “SW1.”

  • Postcode Sector – An additional number is included which divides the district into smaller sectors, for example, “SW1A.”

  • Postcode Unit – The narrowest level of classification which marks a street or a single building, for example, “SW1A 1AA.

Even heretofore, unreachable settlements are provided with explicit codes that guarantee impeccable and extensive delivery services all over the UK.

Finding UK Postcodes Efficiently

For businesses and individuals alike, using a UK postcode finder can be a game-changer. Whether you are sending a package, planning logistics, or simply verifying an address, a postcode lookup tool simplifies the process. Tools like the Royal Mail postcode finder and other online resources allow users to search for a valid UK postcode with minimal effort. These services help in retrieving accurate postal data, making deliveries more reliable and efficient.

Interesting Facts About UK Postcodes

  • Smallest postcode area: EC (East Central London) covers the smallest geographical space.
  • Largest postcode area: IV (Inverness) extends across the Scottish Highlands.
  • Cross-border postcodes: Some postcode areas, like CH (Chester/Wrexham), span both England and Wales.

Understanding the UK Postcode System in Detail

The UK postcode districts are carefully structured to ensure clarity and ease of navigation. A UK postcode example like “SW1A 1AA” provides detailed location information down to a specific building or street. While some postcodes are unique to a single address, others cover wider areas, ensuring even remote locations have efficient delivery services.

For instance, when searching for a UK postcode London based, the structure remains the same. Areas like W1, EC1, or SE1 indicate different parts of the capital, helping businesses, emergency services, and couriers streamline their operations. With over 121 postcode areas in the UK, having access to an accurate UK postcodes list ensures proper address formatting and error-free mail handling.

Why Postcodes Matter

Postcodes serve far more than just mail delivery. They are widely used in:

  • Business & Marketing Analytics – Companies target customers based on postcode data.
  • Delivery & Logistics – Couriers and e-commerce platforms optimise routes with postcodes.
  • Property Searches – Homebuyers filter locations based on desirable postcode areas.
  • Navigation & Mapping – GPS systems use postcode data for precise directions.

Using Postcode Mapping for Business and Navigation

For a more visual approach, a postcode finder map provides an interactive way to explore and locate postcodes. These tools are particularly useful for businesses in logistics, real estate, and retail, helping them segment their target audience based on geography. Whether mapping delivery routes or identifying customer clusters, postcode maps enhance business strategies.

How to Use Postcodes Effectively

  • Regularly Check Your Address – Mistakes in postcodes can impede deliveries. 
  • Use Online Postcode Tools Efficiently – Tools available on the internet will aid in determining a postcode linked to an address. 
  • Recognise Consolidated Postcodes – Some rural regions do share postcodes with neighbouring towns, or even counties. 
  • Use Postcode Data for Business Strategy Development – Companies can analyse postcodes to aid in devising market plans.

Address Lookup Made Simple

Looking for an address in the UK? Many people rely on an address finder UK by name, which helps locate precise postcodes based on an individual’s name or business details. These tools are beneficial for both personal and professional use, ensuring that deliveries and communications reach the right destination.

Conclusion

Because of the integration of location-based services, business operations, and logistics, the UK postcode system is one of the most vital parts of the UK. The UK uses 121 postcode areas alongside 3 additional ones for Crown Dependencies, ensuring efficient communication and trade all throughout.

At Twenty47 Logistics, we utilise this specific system to offer precise, fast, and incredibly reliable courier services. Be it same-day deliveries or even more intricate logistical solutions, we are confident that every package will arrive on time, every time.

Sanif Sultan

Sanif Sultan is a logistics content specialist with a deep understanding of the courier and supply chain industry, developed through hands-on experience at Twenty47 Logistics. Having worked closely with operational teams, dispatch systems, and customer support processes, Sanif brings insider knowledge to every blog and page he creates. His content is tailored to reflect the real-world challenges and solutions in same-day delivery, scheduled logistics, multi-drop courier services, and cross-border shipping. At Twenty47, Sanif’s work helps bridge the gap between complex logistics operations and customer understanding, driving both visibility and trust in a competitive market.

Written by

Sanif Sultan

Sanif Sultan is a logistics content specialist with a deep understanding of the courier and supply chain industry, developed through hands-on experience at Twenty47 Logistics. Having worked closely with operational teams, dispatch systems, and customer support processes, Sanif brings insider knowledge to every blog and page he creates. His content is tailored to reflect the real-world challenges and solutions in same-day delivery, scheduled logistics, multi-drop courier services, and cross-border shipping. At Twenty47, Sanif's work helps bridge the gap between complex logistics operations and customer understanding, driving both visibility and trust in a competitive market.

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