| Last Name | First Name | Phone | | Title | Department |
|---|
 Abbott | Judith | 744-4309 | | Secretary to the Attorneys | General Assembly\Legislative Council |
| Abbott | Greg | 739-9200 | | Deputy Principal Assistant | Natural Resources |
| Abdallah | Husam | 255-2720 | | DPC Hospital Director | Health & Social Services |
| Abdussalaam | Khalid | 424-8166 | | Youth Rehab Counselor Supv - Stevenson House | Children, Youth & Families |
| Ableman | Peggy | 255-0660 | | Judge | Judicial |
| Abraham | Ronda | 422-5922 | | Contact-Court #6 | Judicial |
| Abrams | James | 633-3100 | | Youth Rehab Counselor - NCCDC | Children, Youth & Families |
| Accounting | Sussex County | 856-5744 | | | Judicial |
| Accounting | New Castle County | 255-0558 | | | Judicial |
| Ackles | Michele | 739-9654 | | Deputy Principal Assistant | Technology & Information, Department of |
| Adams | Larry | 857-5210 | | | Correction, Department of |
| Adams | Thurman | 744-4318 | | President Pro Tempore | General Assembly\Senate |
| Adams | Anita | 395-6500 | | Child Support Specialist | Health & Social Services |
| Adepoju | Oluyemisi | 395-6500 | | Child Support Specialist | Health & Social Services |
| Adkins | Yvonne | 368-6726 | | Records Technician-University Plaza | Children, Youth & Families |
| Admin Center Receptionist | Information Desk | 760-2000 | | DelDOT Receptionist | Transportation |
| Adopt-a-Highway | N/A | 760-2424 | | Central District | Transportation |
| Adopt-A-Highway | N/A | 326-4523 | | Canal District | Transportation |
| Adopt-a-Highway | N/A | 853-1308 | | South District | Transportation |
| Advertising | Outdoor | 853-1340 | | South District | Transportation |
| Aff | Jacalyn | 255-0862 | | Staff Attorney | Judicial |
| Aglio | Anthony | 760-2509 | | Bicycle/Pedestrian Coordinator | Transportation |
| Aglio | Janae | 744-4844 | | Program Coordinator, Newborn Hearing Screening Program | Health & Social Services |
| Agnew | Sharon | 255-0700 | | Prothonotary | Judicial |
| Agosto | Janet | 422-1556 | | Master Family Service Specialist - Milford Fire House | Children, Youth & Families |
| Aguilar | Sherry | 739-4578 | | Child Support Specialist | Health & Social Services |
| Aguilar | Sonia | 672-6850 | | Workforce Development Representative | Executive |
| Aguilar, Jr. | Angel | 424-6000 | | Physical Plant Maintenance Superintendent | State, Department of |
| Aguilera | Diane | 577-6661 | | Compliance Nurse, New Castle County Office | Health & Social Services |
| Alascia | Vincent | 739-4748 | | Administratie Librarian | State, Department of |