U.S. Citizens do not require a visa for entry to Norway however a U.S. Passport is required.
A1 Passport cannot assist with obtaining a Norwegian visa nor can A1 help with visas for foreign nationals. An in-person appearance at the embassy is required. Visit the official site of the Royal Norwegian Embassy for additional information.

The D.C. consulate is located at:

2720 34th Street NW, Washington, DC 20008