Prefix Information

The prefix 639 is part of area code 712 serving Sioux City, Iowa.

This exchange contains 10,000 possible phone numbers (712-639-0000 through 712-639-9999).

Browse Numbers in This Prefix

712-639-0000-0999 712-639-1000-1999 712-639-2000-2999 712-639-3000-3999 712-639-4000-4999 712-639-5000-5999 712-639-6000-6999 712-639-7000-7999 712-639-8000-8999 712-639-9000-9999

Sample Numbers

(712) 639-0000 (712) 639-1234 (712) 639-2000 (712) 639-3333 (712) 639-4444 (712) 639-5555 (712) 639-6000 (712) 639-7777 (712) 639-8888 (712) 639-9999