| Business | Phone |
| Devils Lake Cemetery Dept Highway 19 W, Devils Lake 58301 | (701) 662-7605 |
| Devils Lake City Auditing Dept 423 6th St, Devils Lake 58301 | (701) 662-7600 |
| Devils Lake City Bldg Official 423 6th St, Devils Lake 58301 | (701) 662-7607 |
| Devils Lake City Engineer 423 6th St, Devils Lake 58301 | (701) 662-7614 |
| Devils Lake City Water 2815 Highway 19 W, Devils Lake 58301 | (701) 662-7623 |
| Lemna Lab Highway 19 W, Devils Lake 58301 | (701) 662-7622 |