Prefix Information

The prefix 100 is part of area code 520 serving Tucson, Arizona.

This exchange contains 10,000 possible phone numbers (520-100-0000 through 520-100-9999).

Browse Numbers in This Prefix

520-100-0000-0999 520-100-1000-1999 520-100-2000-2999 520-100-3000-3999 520-100-4000-4999 520-100-5000-5999 520-100-6000-6999 520-100-7000-7999 520-100-8000-8999 520-100-9000-9999

Sample Numbers

(520) 100-0000 (520) 100-1234 (520) 100-2000 (520) 100-3333 (520) 100-4444 (520) 100-5555 (520) 100-6000 (520) 100-7777 (520) 100-8888 (520) 100-9999