Prefix Information

The prefix 421 is part of area code 520 serving Tucson, Arizona.

This exchange contains 10,000 possible phone numbers (520-421-0000 through 520-421-9999).

Browse Numbers in This Prefix

520-421-0000-0999 520-421-1000-1999 520-421-2000-2999 520-421-3000-3999 520-421-4000-4999 520-421-5000-5999 520-421-6000-6999 520-421-7000-7999 520-421-8000-8999 520-421-9000-9999

Sample Numbers

(520) 421-0000 (520) 421-1234 (520) 421-2000 (520) 421-3333 (520) 421-4444 (520) 421-5555 (520) 421-6000 (520) 421-7777 (520) 421-8888 (520) 421-9999