Prefix Information

The prefix 504 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-504-0000 through 712-504-9999).

Browse Numbers in This Prefix

712-504-0000-0999 712-504-1000-1999 712-504-2000-2999 712-504-3000-3999 712-504-4000-4999 712-504-5000-5999 712-504-6000-6999 712-504-7000-7999 712-504-8000-8999 712-504-9000-9999

Sample Numbers

(712) 504-0000 (712) 504-1234 (712) 504-2000 (712) 504-3333 (712) 504-4444 (712) 504-5555 (712) 504-6000 (712) 504-7777 (712) 504-8888 (712) 504-9999