Prefix Information

The prefix 421 is part of area code 970 serving Fort Collins, Colorado.

This exchange contains 10,000 possible phone numbers (970-421-0000 through 970-421-9999).

Browse Numbers in This Prefix

970-421-0000-0999 970-421-1000-1999 970-421-2000-2999 970-421-3000-3999 970-421-4000-4999 970-421-5000-5999 970-421-6000-6999 970-421-7000-7999 970-421-8000-8999 970-421-9000-9999

Sample Numbers

(970) 421-0000 (970) 421-1234 (970) 421-2000 (970) 421-3333 (970) 421-4444 (970) 421-5555 (970) 421-6000 (970) 421-7777 (970) 421-8888 (970) 421-9999