Prefix Information
The prefix 270 is part of area code 605 serving Sioux Falls, South Dakota.
This exchange contains 10,000 possible phone numbers (605-270-0000 through 605-270-9999).
Phone numbers with prefix 270 in area code 605. Location: Sioux Falls, South Dakota.
The prefix 270 is part of area code 605 serving Sioux Falls, South Dakota.
This exchange contains 10,000 possible phone numbers (605-270-0000 through 605-270-9999).