Prefix Information

The prefix 550 is part of area code 520 serving Tucson, Arizona.

This exchange contains 10,000 possible phone numbers (520-550-0000 through 520-550-9999).

Browse Numbers in This Prefix

520-550-0000-0999 520-550-1000-1999 520-550-2000-2999 520-550-3000-3999 520-550-4000-4999 520-550-5000-5999 520-550-6000-6999 520-550-7000-7999 520-550-8000-8999 520-550-9000-9999

Sample Numbers

(520) 550-0000 (520) 550-1234 (520) 550-2000 (520) 550-3333 (520) 550-4444 (520) 550-5555 (520) 550-6000 (520) 550-7777 (520) 550-8888 (520) 550-9999