What does postcode area CO1 mean?

Postcode CO1* covers the area containing 300 postcodes starting with CO1 in England.

Postcode area CO1* (highlighted)

Postcode CO1 Sudbury - Postcodes CO1* in the UK

Q: Which postcodes start with CO1?

In the UK, 300 postcodes start with CO1, including areas such as Sudbury, Long Melford, Frinton and Walton in England.

300Postcodes

5Districts

8Sub-areas

Postcode area CO1* contains 300 postcodes in the UK, all in England. This postcode area covers places including Sudbury, Long Melford, Frinton and Walton, Harwich and more. All postcodes beginning with CO1 are listed below.

County

Districts in postcode area CO1

Sub-areas of postcode CO1

Postcode List CO1*

All 300 postcodes in area CO1 - click a postcode for map, areas and post offices.

FAQs about postcode area CO1

Which postcodes start with CO1?

In the UK, 300 postcodes start with CO1, including areas such as Sudbury, Long Melford, Frinton and Walton in England. The full list is above.

What does postcode area CO1 cover?

CO1* is a UK postcode area containing 300 postcodes starting with CO1. This area is entirely within England.

Which nation is postcode CO1 in?

Postcode area CO1* is entirely within England.

Where does postcode data for CO1* come from?

Data is from OpenStreetMap and may be incomplete. For authoritative information contact Royal Mail.

Parent areas: C* › CO* › CO1*