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The Clacton-on-Sea 01255 Area Code (Clacton-on-Sea Dialling Code)

The 01255 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Clacton-on-Sea area.

The local telephone numbers within the 01255 are 6 digits long.

The correct format in which to write a telephone number from the Clacton-on-Sea area code is (01255) [x][x][x][x][x][x].

Where is the 01255 Area Code?

The Clacton-on-Sea 01255 dialling code is situated in the county of Essex in the East of England Region of the UK.

When do I need to use the 01255 Clacton-on-Sea dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01255 Clacton-on-Sea 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 01255 dialling code.

Phoning the 01255 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 (1255).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441255
Europe00441255
Australia0011441255

Map showing the location of the 01255 Clacton-on-Sea Area Code

picture showing the location of the Clacton-on-Sea area code
location of the Clacton-on-Sea area code
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Origins of the 01255 Clacton-on-Sea 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 0255.

the historic mnemonic code for the 01255 area was CL5. The first two characters are taken from the letters C and L in CLacton-on-sea. On an old rotary dial telephone this was entered by dialling the numbers 2, 5 and 5.

picture showing an old rotary dial for the Clacton-on-Sea area code
An old rotary dial for the Clacton-on-Sea area code.

Map of the 01255 Clacton-on-Sea dialling Code Area

The shaded area on the map represent the estimated extent of the 01255 Clacton-on-Sea phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01255 area. Click on an icon for more details

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Map of the Clacton-on-Sea area code
Map of the Clacton-on-Sea area code and surrounding areas

Towns and Villages within the Clacton-on-Sea 01255 dialling Code

Bradfield Heath
Clacton-on-Sea
Frinton-on-Sea
Great Oakley
Harwich
Jaywick
Little Clacton
St Osyth
Thorpe-le-Soken
Walton-on-the-Naze
Weeley
Wix

Known Telephone Exchanges within the Clacton-on-Sea 01255 dialling Code

CLACTON ATE/TRS (EACLN)
FRINTON-ON-SEA ATE (EAFRN)
HOLLAND-ON-SEA ATE (EAHOL)
HARWICH ATE (EAHWH)
LITTLE CLACTON ATE (EALIT)
RAMSEY ATE (EARMS)
ST OSYTH ATE (EASOS)
WIX UAX (EAWIX)
WEELEY ATE (EAWLY)