UK Area Code Finder
Quick and easy telephone dialling code information
01438 area code
Stevenage numbers
UK area code 01438 covers Stevenage in the county of Hertfordshire.
Other areas using 01438 numbers include Benington, Bulls Green, Codicote, Kimpton, Shephall, Walkern, Welwyn and Whitwell.
Number Format
Local telephone numbers are six digits long. An 01438 number should be displayed in the format:
(01438) xxxxxx.