| Business | Phone |
| Byron City Administrator 11 4th St Nw, Byron 55920 | (507) 775-2550 |
| Byron City Maintenance Dept 300 2nd Ave Nw, Byron 55920 | (507) 775-2411 |
| Byron City Sewage Treatment 124 20th St Ne, Byron 55920 | (507) 775-6414 |
| Kalmar Twp Office 8507 Town Hall Rd Nw, Byron 55920 | (507) 775-7615 |