| 1383 | 567 | D | 31F911 | County Fire Dispatch | Fire Dispatch |
| 4133 | 1025 | D | 31PHS | Portage Health | Hospital |
| 6190 | 182e | D | 31KMMC | KMMC | Hospital |
| 6222 | 184e | D | 31CMX | Houghton Memorial Airport | Public Works |
| 6245 | 1865 | D | 31FD??? | Adams Twp. First Responders - Proprietary | Fire-Talk |
| 6247 | 1867 | D | 31MERCY | Mercy Ambulance | EMS Dispatch |
| 6251 | 186b | D | 31NFIRE | Northern Houghton County Fire Ground | Fire-Tac |
| 6252 | 186c | D | 31SFIRE | Southern Houghton County Fire Ground | Fire-Tac |
| 6295 | 1897 | D | 31HCRC | Houghton County Road Commission | Public Works |
| 6302 | 189e | D | 31NFMR | Northern Houghton County Fire | Fire-Tac |
| 6303 | 189f | D | 31SFMR | Southern Houghton County Fire | Fire-Tac |
| 6414 | 190e | DE | 31PEN | Police Dispatch | Law Dispatch |
| 7018 | 1b6a | D | 31DRUG | Countywide Narcotics Enforcement Common | Law Tac |
| 7039 | 1b7f | D | 31P911 | Police - Dispatch | Law Dispatch |
| 7042 | 1b82 | D | 31COM | Countywide Common (Mutual Aid all agencies) | Interop |
| 7163 | 1bfb | D | 31CCISD | County Intermediate School District: Common | Schools |
| 7219 | 1c33 | D | 31MERCY | Mercy Ambulance Dispatch | EMS Dispatch |
