PAF & UK Address Data

UK postcode areas list

The UK is divided into 121 postcode areas, each a one- or two-letter code mapped to a major town, city or region. Below is how areas work, with a sample of the most common codes.

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121
Postcode areas
~3,000
Postcode districts
1.8M
Full postcodes
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A postcode area is the broadest level of the UK postcode system — the leading letters of a postcode. There are 121 areas in total, each typically named after a major town or city.

Postcode areas sit above districts, sectors and units. See anatomy of a UK postcode for the full hierarchy.

Common postcode areas

CodeCovers
ABAberdeen
BBirmingham
BSBristol
CFCardiff
EHEdinburgh
GGlasgow
LLiverpool
LSLeeds
MManchester
NENewcastle
NLondon North
NWLondon North West
SELondon South East
SWLondon South West
SSheffield
BTBelfast (Northern Ireland)

From area to exact address

Knowing the area is only the start — to resolve a full address you need PAF data. Use the Postcode Lookup API or return to the PAF guide hub.

Frequently asked questions

How many postcode areas are in the UK?

There are 121 postcode areas in the UK, each identified by one or two letters such as L (Liverpool), M (Manchester) or EH (Edinburgh).

What is a postcode area?

A postcode area is the broadest level of the UK postcode hierarchy — the leading letters of a postcode that map to a major town, city or region.

What does the postcode area letter mean?

Each area code is usually derived from a major town or city name, like B for Birmingham or G for Glasgow, and groups all the districts within that region.

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