Sioux Falls, South Dakota Phone Lookup

Q: How do I look up a phone number in Sioux Falls, South Dakota?

Enter the full 10-digit number into the search box and click Search. 411FCC returns the owner's name, location, carrier, and line type. The lookup covers all 1 area code serving Sioux Falls.

Q: What types of phone numbers are in Sioux Falls?

Sioux Falls has both wireless and landline numbers. Approximately 50% of prefixes are wireless, with 50% being landline or VoIP. 411FCC results identify the line type and carrier for any number searched.

Find the owner of any phone number in Sioux Falls, South Dakota.

What Phone Numbers Are in Sioux Falls, South Dakota?

Looking up a phone number in Sioux Falls, South Dakota? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Sioux Falls is served by 1 area code and has 99 active phone prefixes.

1 Area Code

99 Phone Prefixes

50% Wireless

50% Landline

Area Codes Serving Sioux Falls

Phone numbers in Sioux Falls, South Dakota use the following area code: 605.

Top Phone Carriers in Sioux Falls

The most common phone service providers in Sioux Falls include:

Cellco Partnership Dba Verizon Wireless - Sd
Qwest Corporation
Aerial Communications, Inc.
Onvoy, Llc - Sd
New Cingular Wireless Pcs, Llc - Il

Data current as of March 2026

Nearby Cities in South Dakota

Other cities in South Dakota that share area codes with Sioux Falls:

Sioux Falls at a Glance

201,469 Population

35.5 Median Age

$75,970 Median Income

90,271 Housing Units

60% Homeownership

Demographics

White 79.1%
Black 6.9%
Hispanic 6.5%
Asian 2.1%
Other 5.4%

Financial Profile

$98,243 Avg. Income per Return

$61,056 Avg. Wages per Return

106,570 Tax Returns Filed

7 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Sioux Falls, South Dakota?

Phone numbers in Sioux Falls, South Dakota use 1 area code: 605. These area codes are shared with other cities in the region. Sioux Falls has 99 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.

How Do I Look Up a Phone Number in Sioux Falls, South Dakota?

To look up any phone number in Sioux Falls, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 1 area code serving Sioux Falls and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.

What Types of Phone Numbers Are in Sioux Falls?

Sioux Falls, South Dakota has both wireless and landline phone numbers. Approximately 50% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 50% being landline or VoIP. Major carriers serving the area include Cellco Partnership Dba Verizon Wireless - Sd, Qwest Corporation, Aerial Communications, Inc.. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.