UK Area Code Finder
Quick and easy telephone dialling code information
UK area code 01903 covers Worthing in the county of West Sussex.
Other areas using 01903 numbers include Arundel, Ashington, Findon, Lancing, Littlehampton, Patching, Rustington, Steyning, Storrington, Swandean and West Worthing.
Local telephone numbers are six digits long. An 01903 number should be displayed in the format: