Prefix Information

The prefix 644 is part of area code 319 serving Cedar Rapids, Iowa.

This exchange contains 10,000 possible phone numbers (319-644-0000 through 319-644-9999).

Browse Numbers in This Prefix

319-644-0000-0999 319-644-1000-1999 319-644-2000-2999 319-644-3000-3999 319-644-4000-4999 319-644-5000-5999 319-644-6000-6999 319-644-7000-7999 319-644-8000-8999 319-644-9000-9999

Sample Numbers

(319) 644-0000 (319) 644-1234 (319) 644-2000 (319) 644-3333 (319) 644-4444 (319) 644-5555 (319) 644-6000 (319) 644-7777 (319) 644-8888 (319) 644-9999