Security First Bank Loan Production Office, Spearfish, SD Instalment Loans Business Loan Personal Loans Car Title Loans Online Loans Spearfish, SD 135 East Colorado Boulevard. ZIP Code: 57783 (605) 443-6140 South Dakota, Spearfish, Instalment Loans About Security First Bank Loan Production Office Opening Hours Monday 8:00 AM – 4:00 PM Tuesday 8:00 AM – 4:00 PM Wednesday 8:00 AM – 4:00 PM Thursday 8:00 AM – 4:00 PM Friday 8:00 AM – 4:00 PM Saturday Closed Sunday Closed Elevated Financial of Spearfish Instalment Loans in Spearfish, South Dakota Highmark Credit Union Instalment Loans in Spearfish, South Dakota Security First Bank Loan Production Office on the map Show on Google Map