Prefix 605-340

There are 6 phone numbers within prefix 605-340 that have resulted in reports by users.
 
The location of calls from 605-340 is Spearfish, South Dakota, USA. Most numbers in this area code are in US Central time, where the time is currently 10:11:45 AM on June 12, 2026. The telco provider for 605-340 is At&t - Local.
 
Choose a phone number from the list below to browse user reports for 605-340. You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.