| MHCC Main Number | 503-491-6422 |
| Academic Advising Center | 503-491-7315 |
| Admissions & Registration | 503-491-7393 |
| Adult Basic Skills | 503-491-7333 |
| Allied Health | 503-491-7113 |
| Apprenticeship | 503-491-7401 |
| Aquatic Swim Center | 503-491-7243 |
| ASG (Student Government) | 503-491-7224 |
| Athletics | 503-491-7452 |
| Bookstore | 503-491-7188 |
| Bruning Center | 503-491-6700 |
| Business & Industry | 503-491-7235 |
| Business Department | 503-491-7515 |
| Business Office | 503-491-7462 |
| Classified Association | 503-491-7280 |
| College Advancement | 503-491-7204 |
| College Center | 503-491-7277 |
| Community Education | 503-491-7572 |
| Community Skills Center | 503-491-6122 |
| Consortium | 503-491-6991 |
| Cosmetology | 503-491-7192 |
| CPCC | 503-491-7432 |
| Custodial Office | 503-491-7288 |
| Dental Hygiene | 503-491-7176 |
| Disability Services | 503-491-6923 |
| Distance Learning Support | 503-491-7170 |
| Early Chilhood Center | 503-491-7169 |
| Education Outdoors | 503-491-7353 |
| Engineering | 503-491-7292 |
| Facilities Management | 503-491-7131 |
| Faculty Association | 503-491-7400 |
| Financial Aid | 503-491-7262 |
| Food Services | 503-491-7184 |
| Ford Corporation Training | 503-491-7697 |
| Foundation | 503-491-7206 |
| Graphic Services | 503-491-7234 |
| Head Start Main Campus | 503-491-6060 |
| Head Start Main Maywood | 503-491-6111 |
| Health & PE | 503-491-7450 |
| High School Services | 503-491-7421 |
| Human Resources | 503-491-7200 |
| Humanities Division | 503-491-7290 |
| Industrial Technology | 503-491-7016 |
| Information Technology | 503-491-7442 |
| Integrated Media | 503-491-7410 |
| KMHD2 | 503-491-7419 |
| Learning Success Center | 503-491-7108 |
| Library Resource Center | 503-491-7161 |
| Mailroom | 503-491-7318 |
| Mathematics | 503-491-7292 |
| Maywood Park Business | 503-491-6100 |
| Mt. Hood Swim Team | 503-491-6909 |
| Oregon Leadership Inst. | 503-491-7447 |
| Part-Time Fac/Tutor Assoc | 503-491-6082 |
| Performing Arts | 503-491-6969 |
| Portland State University | 503-491-7190 |
| Project YESS | 503-491-7641 |
| Public Officer on Duty | 503-491-7310 |
| Research & Planning | 503-491-7529 |
| Science Division | 503-491-7364 |
| Small Business Dev Center | 503-491-7658 |
| Social Science | 503-491-7480 |
| Steps to Success | 503-256-0432 |
| Student Activities Board | 503-491-7642 |
| Testing Information | 503-491-7678 |
| Transitions | 503-491-7680 |
| TRIO College First | 503-491-7143 |
| TRIO-SSS | 503-491-7688 |
| Visual Arts | 503-491-7309 |
| Worksource East | 503-660-1440 |