| Business | Phone |
| City Garage 55 Mary Ann St, Portsmouth 45662 | (740) 353-3459 |
| City Of Portsmouth Spartan Stadium, Portsmouth 45662 | (740) 354-1645 |
| City Prosecutor 728 2nd St # 22, Portsmouth 45662 | (740) 353-5229 |
| Clay Twp Clerks Office 1374 Holmes Ave, Portsmouth 45662 | (740) 353-8511 |
| Clay Twp Garage Rr 2, Portsmouth 45662 | (740) 353-8509 |
| Hudson House 610 5th St, Portsmouth 45662 | (740) 354-5857 |
| Portsmouth City Engineering 728 2nd St # 25, Portsmouth 45662 | (740) 354-7557 |
| Portsmouth City Svc Dept 55 Mary Ann St, Portsmouth 45662 | (740) 353-5419 |
| Portsmouth Fair Housing 1206 Waller St, Portsmouth 45662 | (740) 353-2933 |
| Portsmouth Inner City Office 1206 Waller St, Portsmouth 45662 | (740) 354-6626 |
| Portsmouth Local Air Agency 605 Washington St # 3, Portsmouth 45662 | (740) 353-5156 |
| Portsmouth Service Dept 55 Mary Ann St, Portsmouth 45662 | (740) 354-7766 |
| Portsmouth Sewage Treatment 2040 Charles St, Portsmouth 45662 | (740) 353-0241 |
| Portsmouth Water Distribution 802 Spring Ln, Portsmouth 45662 | (740) 354-4553 |
| Scattered Sites Housing Mngr 610 5th St, Portsmouth 45662 | (740) 353-3579 |
| Sciotoville Sewage Treatment 5808 Front St, Portsmouth 45662 | (740) 776-2222 |
| Section 8 Housing Assistance 410 Court St, Portsmouth 45662 | (740) 353-3955 |
| Well Child Clinic 605 Washington St, Portsmouth 45662 | (740) 353-0552 |