| Cape Cod Commission | Paul Niedzwiecki, Executive Director P.O. Box 226 3225 Main Street Barnstable, MA 02630 508-362-3828 |
| Cape Cod Cooperative Extension | William F. Clark, Director P.O. Box 367 Registry of Deeds/Probate Building Railroad Avenue Barnstable, MA 02630 508-375-6690 |
| Children’s Cove: Child Advocacy Center | Stacy Gallagher, Director P.O. Box 427 Barnstable, MA 02630 508-375-0410 |
| County Clerk | Janice O’Connell, County Clerk First District Courthouse Route 6A Barnstable, MA 02630 508-375-6761 |
| Department of Health and Environment | George Heufelder, Director P.O. Box 427 Superior Courthouse 3195 Main Street Barnstable, MA 02630 508-375-6613 |
| Department of Human Services | Elizabeth Albert, Director P.O. Box 427 Superior Courthouse 3195 Main Street Barnstable, MA 02630 508-375-6628 |
| Department of Finance/Treasurer | E. Mark Zielinski, Director P.O. Box 427 Superior Courthouse 3195 Main Street Barnstable, MA 02630 508-375-6643 |
| Dredge | Wayne Jaedtke, Superintendent P.O. Box 427 Superior Courthouse 3195 Main Street Barnstable, MA 02630 508-375-6634 |
| Facilities Department | Stephen Tebo, Director P.O. Box 427 Superior Courthouse 3195 Main sTreet Barnstable, MA 02630 508-375-6603 |
| Fire/Rescue Training Academy | Lee W. Pareseau, Director P.O. Box 427 Located off of Mary Dunn Road Barnstable, MA 02630 508-771-5391 |
| Information Technology Department | William Traverse, Interim Director P.O. Box 427 Superior Courthouse 3195 Main Street Barnstable, MA 02630 508-744-1243 |
| Registry of Deeds | John F. Meade, Register of Deeds P.O. Box 368 Registry of Deeds Building Railroad Avenue Barnstable, MA 02630 508-362-7733 |
| Resource Development Office/Americorps – Cape Cod | Darlene Johnson-Morris, Manager P.O. Box 427 White House 3195 Main Street Barnstable, MA 02630 508-375-6868 |
| Retirement Association | Deborah Cohen, Executive Director 750 Attucks Lane Hyannis, MA 02630 508-775-1110 |
| Cape Cod Water Protection Collaborative | Andrew Gottlieb, Executive Director P.O. Box 427 Superior Courthouse Barnstable, MA 02630 508-375-6648 |
| Cape Cod Economic Development Council | P.O. Box 226 Cape Cod Commission building 3225 Main Street Barnstable, MA 02630 508-362-3828 |