Tennessee Valley Authority Address: 2441 Polly Adams Rd, Belfast, TN 37019 Phone: (931) 276-2425 Federal Government-Conservation Depts Other Businesses: First National Bank at 1600 Fishing Ford Rd, Belfast, TN 37019 Arnold Unlimited at 1793 Fayetteville Hwy, Belfast, TN 37019 Tennessee Valley Authority at S Highway 431, Belfast, TN 37019