| Topic |
Agency |
Contact |
| National and Community Service, DC Commission on | Serve DC | (202) 727-7925 |
| National Capital Planning Commission | NCPC | (202) 482-7200 |
| National Guard, DC | DCNG | (202) 685-9790 |
| Natural Disaster Planning | HSEMA | (202) 727-6161 |
| Neediest Kids Program | DCPS | (202) 442-5156 |
| Neighborhood Planning | OP | (202) 442-7600 |
| Neighborhood Revitalization | OP | (202) 442-7600 |
| Noise Violations | | 311 |
| Non-Emergency (Fire/Medical) | FEMS | 311 |
| Non-Emergency Directory Assistance for Police | MPD | 311 |
| Notary Commissions and Authentication Services | OSEC | (202) 727-3117 |
| Notary Service for Senior Citizens | DCOA | (202) 724-5622 |
| Nuisance Property | | (202) 442-4332 |
| Nursing Board | DOH | (877) 244-1689 |
| Nursing Facilities for Senior Citizens | DCOA | (202) 724-5622 |
| Nutrition Program Administration (Women, Infants and Children State Agency) | DOH | (202) 645-5663 |
