The 01858 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Market Harborough area.
The local telephone numbers within the 01858 are 6 digits long.
The correct format in which to write a telephone number from the Market Harborough area code is (01858) xxxxxx.
The Market Harborough 01858 dialling code intersects the counties of Leicestershire and Northamptonshire in the East Midlands Region of the UK.
You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01858 Market Harborough 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 01858 dialling code.
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 (1858).
|Region||International Prefix||Country Code||Area Code|
|United States and Canada||011||44||1858|
Before the 16th April 1995 known as PhONEday which changed telephone area codes by inserting a 1 at the beginning. The area code was 0858.
The shaded area on the map represent the estimated extent of the 01858 Market Harborough phone area code.
The blue icons on the map represent the locations of telephone exchanges serving the 01858 area. Click on an icon for more details
|Market Harborough (EMMRKTH) Leicestershire|