UK Area Code Finder
Quick and easy telephone dialling code information
01439 area code
Helmsley numbers
UK area code 01439 covers Helmsley in the county of North Yorkshire.
Other areas using 01439 numbers include Ampleforth, Bilsdale and Nunnington.
Number Format
Local telephone numbers are six digits long. An 01439 number should be displayed in the format:
(01439) xxxxxx.