Prefix Information

The prefix 688 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-688-0000 through 712-688-9999).

Browse Numbers in This Prefix

712-688-0000-0999 712-688-1000-1999 712-688-2000-2999 712-688-3000-3999 712-688-4000-4999 712-688-5000-5999 712-688-6000-6999 712-688-7000-7999 712-688-8000-8999 712-688-9000-9999

Sample Numbers

(712) 688-0000 (712) 688-1234 (712) 688-2000 (712) 688-3333 (712) 688-4444 (712) 688-5555 (712) 688-6000 (712) 688-7777 (712) 688-8888 (712) 688-9999