Map of the 01707 Welwyn Garden City STD dialling Area Code
Search Geopunk

The Welwyn Garden City 01707 Area Code (Welwyn Garden City Dialling Code)

The 01707 area code is a 4 digit geographical dialling code (excluding the zero) used in telecommunications for the Welwyn Garden City area.

The local telephone numbers within the 01707 are 6 digits long.

The correct format in which to write a telephone number from the Welwyn Garden City area code is (01707) xxxxxx.

Where is the 01707 Area Code?

The Welwyn Garden City 01707 dialling code intersects the counties of Hertfordshire, Lancashire and Manchester in the East of England and North West Regions of the UK.

When do I need to use the 01707 Welwyn Garden City dialling code?

You will need to use a dialling code if you are calling from a mobile phone or a landline outside of the 01707 Welwyn Garden City 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 01707 dialling code.

Phoning the 01707 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 (1707).

RegionInternational PrefixCountry CodeArea Code
United States and Canada011441707
Europe00441707
Australia0011441707

Origins of the 01707 Welwyn Garden City 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 0707.

the historic mnemonic code for the 01707 area was PO7. The first two characters are taken from the letters P and O in POtters bar. On an old rotary dial telephone this was entered by dialling the numbers 7, 0 and 7.

picture showing an old rotary dial for the 01707 Welwyn Garden City area code
An old rotary dial for the 01707 Welwyn Garden City area code.

Map of the 01707 Welwyn Garden City dialling Code Area

The shaded area on the map represent the estimated extent of the 01707 Welwyn Garden City phone area code.

The blue icons on the map represent the locations of telephone exchanges serving the 01707 area. Click on an icon for more details

Map of the 01707 Welwyn Garden City area code
Map of the 01707 Welwyn Garden City area code and surrounding areas

Towns and Villages within the Welwyn Garden City 01707-Welwyn Garden City dialling Code

Brookmans Park
Cheshunt
Cuffley
Essendon
Hatfield
Hertford
Manchester
Newgate Street
Northaw
Potters Bar
South Mimms
Welham Green
Welwyn Garden City

Known Telephone Exchanges within the Welwyn Garden City 01707-Welwyn Garden City dialling Code

Hatfield (LNHAT) Hertfordshire
Welwyn Garden (LNWGN) Hertfordshire
Potters Bar (LNPOT) Hertfordshire
Cuffley (LNCUF) Hertfordshire