| 1383 | 567 | D | 31F911 | County Fire Dispatch | Fire Dispatch |
| 4133 | 1025 | D | 31PHS | Portage Health | Hospital |
| 6190 | 182e | D | 31KMMC | Aspirus Keweenaw Hospital | Hospital |
| 6222 | 184e | D | 31CMX | Houghton Memorial Airport | Public Works |
| 6223 | 184f | D | 31F01 | Adams Township Fire | Fire-Talk |
| 6224 | 1850 | D | 31F02 | Bootjack Fire | Fire-Talk |
| 6225 | 1851 | D | 31F03 | Calumet Township Fire | Fire-Talk |
| 6226 | 1852 | D | 31F04 | Calumet Village Fire | Fire-Talk |
| 6227 | 1853 | D | 31F05 | Chassell Township Fire | Fire-Talk |
| 6228 | 1854 | D | 31F06 | Dollar Bay Fire | Fire-Talk |
| 6229 | 1855 | D | 31F07 | Duncan Township Fire | Fire-Talk |
| 6230 | 1856 | D | 31F08 | Hancock Fire | Fire-Talk |
| 6231 | 1857 | D | 31F09 | Houghton Fire | Fire-Talk |
| 6232 | 1858 | D | 31F10 | Hubbell Fire | Fire-Talk |
| 6233 | 1859 | D | 31F11 | Hurontown Fire | Fire-Talk |
| 6234 | 185a | D | 31F12 | Laird Township Fire | Fire-Talk |
| 6235 | 185b | D | 31F13 | Lake Linden Fire | Fire-Talk |
| 6236 | 185c | D | 31F14 | Laurium Fire | Fire-Talk |
| 6237 | 185d | D | 31F15 | Otter Lake Fire | Fire-Talk |
| 6238 | 185e | D | 31F16 | Quincy Franklin Hancock Townships Fire | Fire-Talk |
| 6239 | 185f | D | 31F17 | Ripley Fire | Fire-Talk |
| 6240 | 1860 | D | 31F18 | South Range Fire | Fire-Talk |
| 6241 | 1861 | D | 31F19 | Stanton Township Fire | Fire-Talk |
| 6242 | 1862 | D | 31F20 | Tamarack City Fire | Fire-Talk |
| 6243 | 1863 | D | 31F21 | Toivola Fire | Fire-Talk |
| 6244 | 1864 | D | 31F22 | Twin Lakes Fire | Fire-Talk |
| 6245 | 1865 | D | 31AFR | Adams First Responders Proprietary | Fire-Talk |
| 6247 | 1867 | D | 31MERCY | Mercy Ambulance | EMS Dispatch |
| 6251 | 186b | D | 31NFIRE | Northern County Fire Ground | Fire-Tac |
| 6252 | 186c | D | 31SFIRE | Southern County Fire Ground | Fire-Tac |
| 6294 | 1896 | De | 31OEM | Office of Emergency Management | Emergency Ops |
| 6295 | 1897 | D | 31HCRC | Houghton County Road Commission | Public Works |
| 6296 | 1898 | D | 31EMS | Houghton County EMS | EMS Dispatch |
| 6302 | 189e | D | 31NFMR | Northern Houghton County Fire | Fire-Tac |
| 6303 | 189f | D | 31SFMR | Southern Houghton County Fire | Fire-Tac |
| 6378 | 18ea | D | 31PGTEST | Pager Test | Interop |
| 6406 | 1906 | DE | 31SAR | Houghton County SAR | Multi-Tac |
| 6411 | 190b | D | 31SPEV3 | Special Events 3 | Interop |
| 6414 | 190e | DE | 31PEN | Police Dispatch | Law Dispatch |
| 6511 | 196f | D | 31PG01 | Calumet Twp Fire Page | Fire Dispatch |
| 6527 | 197f | D | 31PG02 | Calumet Village Fire Page | Fire Dispatch |
| 6528 | 1980 | D | 31PG03 | Laurium Fire Page | Fire Dispatch |
| 6529 | 1981 | D | 31PG Laird | Laird Fire Paging | Fire Dispatch |
| 6533 | 1985 | D | 31PG04 | Tamarack City Fire Page | Fire Dispatch |
| 6534 | 1986 | D | 31PG05 | Hubbell Fire Page | Fire Dispatch |
| 6535 | 1987 | D | 31PG Tamarack | Tamarack Fire Page | Fire Dispatch |
| 7018 | 1b6a | D | 31DRUG | Countywide Narcotics Common | Law Tac |
| 7039 | 1b7f | D | 31P911 | Police Dispatch | Law Dispatch |
| 7042 | 1b82 | D | 31COM | Countywide Common | Interop |
| 7043 | 1b83 | D | 31EMER | Houghton County Emergency | Emergency Ops |
| 7044 | 1b84 | D | 31SPEV1 | Special Events 1 | Interop |
| 7045 | 1b85 | D | 31SPEV2 | Special Events 2 | Interop |
| 7156 | 1bf4 | D | 31ROAD1 | Road Commission 1 | Public Works |
| 7157 | 1bf5 | D | 31ROAD2 | Road Commission 2 | Public Works |
| 7158 | 1bf6 | D | 31ROAD3 | Road Commission 3 | Public Works |
| 7163 | 1bfb | D | 31CCISD | Intermediate School District Common | Schools |
| 7172 | 1c04 | D | 31SCHOOL | Houghton area school | Schools |
| 7206 | 1c26 | D | 31MTUTS | Michigan Tech Transportation | Public Works |
| 7219 | 1c33 | D | 31MERCY | Mercy Ambulance Dispatch | EMS Dispatch |
