Prefix Information

The prefix 256 is part of area code 605 serving Sioux Falls, South Dakota.

This exchange contains 10,000 possible phone numbers (605-256-0000 through 605-256-9999).

Browse Numbers in This Prefix

605-256-0000-0999 605-256-1000-1999 605-256-2000-2999 605-256-3000-3999 605-256-4000-4999 605-256-5000-5999 605-256-6000-6999 605-256-7000-7999 605-256-8000-8999 605-256-9000-9999

Sample Numbers

(605) 256-0000 (605) 256-1234 (605) 256-2000 (605) 256-3333 (605) 256-4444 (605) 256-5555 (605) 256-6000 (605) 256-7777 (605) 256-8888 (605) 256-9999