| Business | Phone |
| Alcoholic Control Div Dover 19901 | (302) 739-4770 |
| Architectural Accessibility Bd 540 S Dupont Hwy # 1, Dover 19901 | (302) 739-5644 |
| Asbestos Section 540 S Du Pont Hwy # 1, Dover 19901 | (302) 739-3930 |
| Athletic Boxing Board Silver Lake Plz, Dover 19901 | (302) 744-4509 |
| Bank Commissioner 555 E Loockerman St # 210, Dover 19901 | (302) 739-4235 |
| Board Of Medical Practice 861 Silver Lake Blvd # 203, Dover 19904 | (302) 744-4507 |
| Boiler Safety 303 Transportation Cir, Dover 19901 | (302) 744-2735 |
| Brenford Residential Treatment 136 Waterview Ln, Dover 19904 | (302) 653-6589 |
| Cabinet Secretaries 410 Federal St # 1, Dover 19901 | (302) 739-3611 |
| Chancery Court Judge Chambers 417 S State St, Dover 19901 | (302) 739-4397 |
| Delaware Police 150 E Water St, Dover 19901 | (302) 739-3200 |
| Delaware Statistical Ctr 60 The Plz, Dover 19901 | (302) 739-4626 |
| Dental Examiners Board 861 Silver Lake Blvd, Dover 19904 | (302) 744-4520 |
| Department Of Justice Dover 19901 | (302) 739-4211 |
| Division Of Child Mental Hlt 821 Silver Lake Blvd # 102, Dover 19904 | (302) 739-4194 |
| Early Choices 32 W Loockerman St # 202, Dover 19904 | (302) 739-4707 |
| Exceptional Citizens Council 516 W Loockerman St, Dover 19904 | (302) 739-4553 |
| Family Court 400 Court St, Dover 19901 | (302) 739-6500 |
| Family Court Master 400 Court St # 2, Dover 19901 | (302) 739-6515 |
| Family Court Operations Dir 400 Court St, Dover 19901 | (302) 739-6570 |
| Family Court-Custody 400 Court St, Dover 19901 | (302) 739-6503 |
| Family Court-Domestic Violence 400 Court St, Dover 19901 | (302) 739-6545 |
| Family Court-Records 400 Court St, Dover 19901 | (302) 739-6525 |
| Fire School 1461 Chestnut Grove Rd, Dover 19904 | (302) 739-4773 |
| First Step Employment & Trng 1114 S Dupont Hwy # 102, Dover 19901 | (302) 739-4437 |
| Foster Grandparents 805 River Rd, Dover 19901 | (302) 739-4569 |
| Gaming Board 861 Silver Lake Blvd, Dover 19904 | (302) 744-4531 |
| Health Planning & Resource Federal & Water Stamp;, Dover 19901 | (302) 739-4776 |
| Health Systems Protection 655 S Bay Rd # 203, Dover 19901 | (302) 739-5410 |
| Honorable James T Vaughn Jr 38 The Grn, Dover 19901 | (302) 739-5333 |
| Honorable Mardi F Pyott 400 Court St, Dover 19901 | (302) 739-5755 |
| Honorable William L Witham Jr 38 The Grn, Dover 19901 | (302) 739-5332 |
| Honorable William N Nicholas 400 Court St, Dover 19901 | (302) 739-6565 |
| Honorable William Walls Jr 400 Court St, Dover 19901 | (302) 739-6560 |
| House Of Representatives 411 Legislative Ave, Dover 19901 | (302) 744-4114 |
| Inspection Lanes 115 Transportation Cir, Dover 19901 | (302) 744-2514 |
| Inspection Lanes Rt 113 S, Dover 19901 | (302) 744-2514 |
| Justice Info-Network Control 801 Silver Lake Blvd, Dover 19904 | (302) 739-3210 |
| Justice Info-Training Adm 801 Silver Lake Blvd, Dover 19904 | (302) 739-3050 |
| Justice Information 802 Silver Lake Blvd # 101, Dover 19904 | (302) 739-4856 |
| Kent Co Court Of Common Pleas 38 The Grn # 6, Dover 19901 | (302) 739-4618 |
| Legislative Council Dover 19901 | (302) 744-4114 |
| Legislative Council Legislative Ave, Dover 19901 | (302) 739-4114 |
| Mifflin Meadows 100 Mifflin Mdws, Dover 19901 | (302) 697-3187 |
| Mosquito Control Section 89 Kings Hwy, Dover 19901 | (302) 739-5295 |
| Nursing Board 861 Silver Lake Blvd, Dover 19904 | (302) 744-4516 |
| Pardons Board 401 Federal St, Dover 19901 | (302) 739-4111 |
| Planning Coordination Office 540 S Dupont Hwy, Dover 19901 | (302) 739-3090 |
| Police Chief's Council 400 S Queen St, Dover 19904 | (302) 739-5411 |
| State Boat Registrations 89 Kings Hwy, Dover 19901 | (302) 739-3498 |
| State Council/Persons Dsblty 821 Silver Lake Blvd # 110, Dover 19904 | (302) 739-3613 |
| State Museums 102 S State St, Dover 19901 | (302) 739-5316 |
| State Residential Facility 136 Waterview Ln, Dover 19904 | (302) 659-6050 |
| State Senate Legislative Hall, Dover 19901 | (302) 744-4286 |
| State Service Ctr 805 River Rd, Dover 19901 | (302) 739-5301 |
| Uniform Commercial Code Div Dover 19901 | (302) 739-4279 |
| Welfare Fraud Unit Federal & Water St # 202amp;, Dover 19901 | (302) 739-5343 |