Prefix Information

The prefix 340 is part of area code 319 serving Cedar Rapids, Iowa.

This exchange contains 10,000 possible phone numbers (319-340-0000 through 319-340-9999).

Browse Numbers in This Prefix

319-340-0000-0999 319-340-1000-1999 319-340-2000-2999 319-340-3000-3999 319-340-4000-4999 319-340-5000-5999 319-340-6000-6999 319-340-7000-7999 319-340-8000-8999 319-340-9000-9999

Sample Numbers

(319) 340-0000 (319) 340-1234 (319) 340-2000 (319) 340-3333 (319) 340-4444 (319) 340-5555 (319) 340-6000 (319) 340-7777 (319) 340-8888 (319) 340-9999