Area Code Search
Central / Mountain time zone
Current Time in North Sioux City: 09:50 PM
North Sioux City Area Codes
Here is the current list of area codes in North Sioux City, SD. There is currently 1 area code(s) in North Sioux City. Search all the most up-to-date currently used North Sioux City area codes below.
Central / Mountain time zone
Current Time in North Sioux City: 09:50 PM
| Area Code | State | City | Timezone |
|---|---|---|---|
| 605 | South Dakota | North Sioux City | Central / Mountain |