UK Area Codes and Phone Number Information

01707 area code

Welwyn Garden City

The 01707 area code is for Welwyn Garden City and the surrounding area.

Locations using 01707 numbers include:

Most numbers using the 01707 area code are normal Welwyn Garden City landlines but be aware that, as is the case for all UK area codes, such numbers may also be used for services without any physical link to the area. (More info)

01707 area code information

Area code:01707
Location:Welwyn Garden City
Ceremonial county:Hertfordshire
Call costs:Normal landline rate
Local number length:6 digits
Number format:01707 xxxxxx
International number format:+44 1707 xxxxxx
Number shortages predicted:No
Last code change:April 1995 (previously 0707)
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