| Business | Phone |
| Auditor Office 2300 N Lincoln Blvd # 100, Oklahoma City 73105 | (405) 521-3495 |
| Finance Office 2300 N Lincoln Blvd # 122, Oklahoma City 73105 | (405) 521-2141 |
| Ifta Office 409 Ne 28th St, Oklahoma City 73105 | (405) 521-3246 |
| Tax Commission 2501 N Lincoln Blvd, Oklahoma City 73105 | (405) 521-3160 |
| Tax Commission 3017 N Stiles Ave, Oklahoma City 73105 | (405) 521-3178 |
| Tax Commission Aircraft Tax 2501 N Lincoln Blvd, Oklahoma City 73105 | (405) 521-3271 |
| Tax Commission Collections 3017 N Stiles Ave, Oklahoma City 73105 | (405) 521-3281 |
| Tax Commission Estate Tax 409 Ne 28th St # 301, Oklahoma City 73105 | (405) 521-3233 |
| State Treasurer 2300 N Lincoln Blvd # 217, Oklahoma City 73105 | (405) 521-3191 |