Prefix Information

The prefix 550 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-550-0000 through 712-550-9999).

Browse Numbers in This Prefix

712-550-0000-0999 712-550-1000-1999 712-550-2000-2999 712-550-3000-3999 712-550-4000-4999 712-550-5000-5999 712-550-6000-6999 712-550-7000-7999 712-550-8000-8999 712-550-9000-9999

Sample Numbers

(712) 550-0000 (712) 550-1234 (712) 550-2000 (712) 550-3333 (712) 550-4444 (712) 550-5555 (712) 550-6000 (712) 550-7777 (712) 550-8888 (712) 550-9999