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AREA CODE · SOUTH DAKOTA

Area code 605

Area code 605 covers Sioux Falls, South Dakota. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: South Dakota Major City: Sioux Falls Central Time (CT) Overlay: None
01 / WHERE IT IS

Where is area code 605?

Area code 605 is assigned to Sioux Falls and the surrounding region in South Dakota. Calls to numbers that start with 605 are routed to this area.

Area code 605 is not currently part of an overlay: it serves its territory on its own.

Counties covered

Minnehaha CountyPennington CountyBrown CountyBrookings CountyLincoln CountyBeadle CountyLawrence CountyCodington CountyHughes CountyGrant CountyDavison CountyYankton County

Line types

  • Mobile 28.34%
  • Landline 71.66%
02 / MAP

Area code 605 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Sioux Falls

This area code is in the Central Time (CT) time zone.

Local timeSioux Falls, SD--:--:--

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America/ChicagoLive
04 / HOW TO DIAL

How to call Sioux Falls

WITHIN THE US605 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 605 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 605 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 605 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 605 555 0123
🇦🇺Australia0011 1 605 555 0123
🇯🇵Japan010 1 605 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 605

Share of the number blocks by carrier and line type.

Landline

Lumen Technologies
22%
MIDCONTINENT COMMUNICATIONS.
6%
Bluepeak
6%
VENTURE COMMUNICATIONS COOPERATIVE
6%
GOLDEN WEST TEL COOP INC / GOLDEN WEST TELECOMM
5%
Others
55%

Mobile

Verizon Wireless
48%
AT&T Mobility
38%
T-Mobile USA
9%
Boost Mobile
2%
T-MOBILE USA
1%
Others
3%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 605

741 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(605) 200 Mobile Dupree AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 201 Mobile Sioux Falls AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 202 Mobile Vermillion AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 203 Mobile Lake Preston AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 204 Mobile Miller AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 205 Mobile Elk Point AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 206 Mobile Sturgis AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 207 Mobile Platte AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 208 Mobile Winner AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(605) 209 Mobile Rapid City AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL

Showing 10 of 741 prefixes

07 / FAQ

Frequently asked questions about area code 605

Where is area code 605 used?
Area code 605 serves Sioux Falls and the surrounding area in South Dakota, including Minnehaha County, Pennington County, Brown County, Brookings County, Lincoln County.
What city is area code 605 from?
The main city of area code 605 is Sioux Falls, SD.
What time zone is area code 605 in?
Area code 605 is in the Central Time (CT) time zone (America/Chicago).
Is 605 an overlay area code?
No. Area code 605 is not currently part of an overlay.
How do I call a number with area code 605 from the United States?
Dial the 10 digits: 605 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 605 number from another country?
Dial your country's exit code (or +), then 1, then 605 and the seven-digit number. From a mobile you can use +1 605 XXX XXXX.
Which carriers use area code 605?
Most landline blocks belong to Lumen Technologies and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 605 for landlines, mobiles or both?
Both. About 71.66% of the number blocks are landline, 28.34% mobile.
How do I save a 605 number in WhatsApp or my phone?
Save it in international format: +1 605 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 605?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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