Alamat dan Poskod
- Alamat : National Park Service, Washington, District Of Columbia
- Poskod : 20242
- Rantau 1 : District Of Columbia
- Rantau 2 : Washington
- Negara : Amerika Syarikat
- Kod rantau (ISO2) : : US-DC
- Bahasa : : English (EN)
- Zon masa : : America/New_York
- Coordinated Universal Time : : UTC-5
- Masa penjimatan hari siang : : Yes (Y)
- National Park Service, Washington, District Of Columbia, Poskod : 20242,Terletak di ,Washington,District Of Columbia Amerika Syarikat
Peta
Berkaitan
- 20244 - Geological Survey, Washington, District Of Columbia
- 20245 - Bureau of Indian Affairs, Washington, District Of Columbia
- 20250 - Dept of Agriculture, Washington, District Of Columbia
- 20251 - Dept Agric Off Outside Hq, Washington, District Of Columbia
- 20254 - Social Security, Washington, District Of Columbia
- 20260 - USPS Headquarters, Washington, District Of Columbia
- 20261 - USPS Consumer Affairs, Washington, District Of Columbia
- 20262 - Mafic, Washington, District Of Columbia