UK Area Code Finder
Quick and easy telephone dialling code information
01442 area code
Hemel Hempstead numbers
UK area code 01442 covers Hemel Hempstead in the county of Hertfordshire.
Other areas using 01442 numbers include Aldbury Common, Berkhamsted, Bovingdon, Little Gaddesden and Tring.
Number Format
Local telephone numbers are six digits long. An 01442 number should be displayed in the format:
(01442) xxxxxx.