UK Area Code Finder
Quick and easy telephone dialling code information
UK area code 01665 covers Alnwick in the county of Northumberland.
Other areas using 01665 numbers include Alnmouth, Amble, Charlton Mires, Chathill, Embleton, Longframlington, Longhoughton, Powburn, Seahouses, Shilbottle and Whittingham.
Local telephone numbers are six digits long. An 01665 number should be displayed in the format: