Prefix Information

The prefix 666 is part of area code 520 serving Tucson, Arizona.

This exchange contains 10,000 possible phone numbers (520-666-0000 through 520-666-9999).

Browse Numbers in This Prefix

520-666-0000-0999 520-666-1000-1999 520-666-2000-2999 520-666-3000-3999 520-666-4000-4999 520-666-5000-5999 520-666-6000-6999 520-666-7000-7999 520-666-8000-8999 520-666-9000-9999

Sample Numbers

(520) 666-0000 (520) 666-1234 (520) 666-2000 (520) 666-3333 (520) 666-4444 (520) 666-5555 (520) 666-6000 (520) 666-7777 (520) 666-8888 (520) 666-9999