| Topic |
Agency |
Contact |
| Illegal Construction | DCRA | (202) 442-STOP |
| Illegal Dumping | MPD | 311 |
| Immunization Division | DOH | (202) 576-7130 |
| Immunization for Children | DOH | (202) 576-7130 |
| Impounded Vehicles | DMV | (202) 727-5000 |
| Income Maintenance | DHS | (202) 698-4350 |
| Income Maintenance, Customer Service | DHS | (202) 724-5506 |
| Income Taxes | OCFO | (202) 727-4829 |
| Industrial Bonds | DMPED | (202) 727-6055 |
| Industrial Development Policies | DMPED | (202) 727-6979 |
| Infant Mortality | DHS | (202) 442-9032 |
| Infant/Child Car Seats - Project SAFECHILD | DPW | (202) 671-2350 |
| Information, DC Government | EOM | 311 |
| Information, Technology/Systems | OCTO | (202) 727-2277 |
| Inheritance and Estate Information | OCFO | (202) 727-4829 |
| Injury Disabilities, Bureau of | DOH | (202) 442-4400 |
| Inspector General, Office of the | OIG | (202) 727-2540 |
| Inspector General Hotline | OIG | (202) 727-0267 |
| Inspector General Hotline (Toll Free) | OIG | (800) 521-1639 |
| Insurance Counseling Services for Seniors | DCOA | (202) 724-5622 |
| Insurance, Securities and Banking, Department of | DISB | (202) 727-8000 |
| IONA Adult Day Health Center | DHS | (202) 724-5622 |
