According to our records, this business is located at 2417 260th Ave. in Delhi (in Delaware County), Iowa 52223, the location GPS coordinates are: 42.3687188 (latitude), -91.2850992 (longitude). Northern Natural Gas Co is categorized under Blue Gas, Carbureted: Production and Distribution (SIC code 4925). Current estimates show that the unit has a sales volume of $5,344,000 and staff of approximately 8 people. You can contact the company by phone at (563) 922-2271.