Map of the 01787 Sudbury STD dialling Area Code
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The Sudbury 01787 Area Code (Sudbury Dialling Code)

The 01787 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Sudbury area.

The local telephone numbers within the 01787 are 6 digits long.

The correct format in which to write a telephone number from the Sudbury area code is (01787) xxxxxx.

Where is the 01787 Area Code?

The Sudbury 01787 dialling code intersects the counties of Essex and Suffolk in the East of England Region of the UK.

When do I need to use the 01787 Sudbury dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01787 Sudbury dialling code area. If you are calling a local number within the same area code with a landline telephone you do not need to use the 01787 dialling code.

Phoning the 01787 Dialling Code from Outside of the UK

If you are calling from outside of the UK. You will need to add the code for dialling internationally. This varies country to country, followed by the UK country code (44) followed by the area code without the initial zero (1787).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441787
Europe00441787
Australia0011441787

Origins of the 01787 Sudbury Area Code

Before the 16th April 1995 known as PhONEday which changed telephone area codes by inserting a 1 at the beginning. The area code was 0787.

the historic mnemonic code for the 01787 area was SU7. The first two characters are taken from the letters S and U in SUdbury . On an old rotary dial telephone this was entered by dialling the numbers 7, 8 and 7.

picture showing an old rotary dial for the 01787 Sudbury area code
An old rotary dial for the 01787 Sudbury area code.

Map of the 01787 Sudbury dialling Code Area

The shaded area on the map represent the estimated extent of the 01787 Sudbury phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01787 area. Click on an icon for more details

Map of the 01787 Sudbury area code
Map of the 01787 Sudbury area code and surrounding areas

Towns and Villages within the Sudbury 01787-Sudbury dialling Code

Acton
Belchamp St Paul
Boxford
Bures
Castle Hedingham
Cavendish
Clare
Colne Engaine
Earls Colne
Glemsford
Gosfield
Great Waldingfield
Great Yeldham
Halstead
Lavenham
Long Melford
Sible Hedingham
Sudbury

Known Telephone Exchanges within the Sudbury 01787-Sudbury dialling Code

Sudbury (EASUD) Suffolk
Boxford (EABFD) Suffolk
Glemsford (EAGLE) Suffolk
Clare (EACLA) Suffolk
Lavenham (EALAV) Suffolk
Earls Colne (EAELC) Essex
Halstead (EAHSD) Essex
Hedingham (EAHED) Essex
Great Yeldham (EAGYD) Essex