| Business | Phone |
| Yellowstone City/County Health 123 S 27th St, Billings 59101 | (406) 247-3200 |
| Billings Animal Shelter 1735 Monad Rd, Billings 59101 | (406) 657-8226 |
| Billings City Council 210 N 27th St, Billings 59101 | (406) 657-8433 |
| Billings City Engineer 510 N Broadway # 4, Billings 59101 | (406) 657-8231 |
| Billings City Facilities Mgr Billings 59101 | (406) 237-6294 |
| Billings City Planning 510 N Broadway # 4, Billings 59101 | (406) 657-8246 |
| Billings Code Enforcement Billings 59101 | (406) 657-8288 |
| Billings Data Processing Ctr 210 N 27th St, Billings 59101 | (406) 657-8382 |
| Billings Motor Pool 4848 Midland Rd, Billings 59101 | (406) 657-8407 |
| Billings Park Maintenance 390 N 23rd St, Billings 59101 | (406) 657-8372 |
| Billings Personnel Dept 210 N 27th St, Billings 59101 | (406) 657-8265 |
| Billings Purchasing Div 302 Edward St, Billings 59101 | (406) 657-8216 |
| Billings Purchasing Div 4848 Midland Rd, Billings 59101 | (406) 657-8216 |
| Traffic Signals 4848 Midland Rd, Billings 59101 | (406) 657-8264 |
| Billings Street Traffic Mntnc 4848 Midland Rd, Billings 59101 | (406) 657-8250 |
| Building & Plumbing Inspection 510 N 28th St # 4, Billings 59101 | (406) 657-8277 |
| Building Division-Plan Review 510 N 28th St # 4, Billings 59101 | (406) 657-8271 |
| City Of Billings Landfill 5240 Jellison Rd, Billings 59101 | (406) 657-8260 |
| Complaint Line 210 N 27th St, Billings 59101 | (406) 657-8267 |
| Sewers-Wastewater Us Highway 87 E, Billings 59101 | (406) 657-8356 |
| Sheriff-Detention Facility 3165 King Ave E, Billings 59101 | (406) 256-6881 |
| Rescue-Fire Fighting & Mntnc 1901 Terminal Cir # 216, Billings 59105 | (406) 657-8496 |
| Park Four Garage 515 N 31st St, Billings 59101 | (406) 657-8344 |
| Park One Garage 2912 3rd Ave N, Billings 59101 | (406) 657-8389 |
| Park Three Garage 210 N 27th St, Billings 59101 | (406) 657-8212 |
| Park Two Garage 2651 1st Ave N, Billings 59101 | (406) 657-8279 |
| Parking Meter-Enforcement 210 N 27th St, Billings 59101 | (406) 657-8412 |
| Personnel Department-Job 210 N 27th St, Billings 59101 | (406) 657-8441 |
| Motor Pool 302 Edward St, Billings 59101 | (406) 657-8228 |