Obtain applications for Nigerian passports belonging to applicants in the United States only from the Embassy of the Federal Republic of Nigeria, Washington, D.C., and the Consulate-Generals of Nigeria in New York and Atlanta, in person or by downloading and printing directly from the Embassy's website.
Apply within [three] months of your travel date--not before.
Completely fill out the application. Incomplete applications will be denied.
Obtain two money orders for the Embassy of Nigeria, Washington, D.C. or the Consulate-Generals of Nigeria in New York and Atlanta--one for the the passport fee ($100 for an American citizen as of 2009; there is a list of fees for citizens of other nations) and another for the processing fee ($20). If applying for a Nigerian passport in person, the application should be processed in three to four business days, upon which an applicant will receive a passport.
If applying for a Nigerian passport by mail, send the application with the money orders and an extra prepaid self-addressed express envelope with a tracking number on it to one of these three addresses:
Embassy of the Federal Republic of Nigeria
3519 International Court, NW
Washington, DC 20008
Consulate-General of Nigeria
828 Second Avenue
New York, NY 10017
Consulate-General of Nigeria
8090 Rosewell Road
Atlanta, GA 30350.
The extra envelope will be returned with a passport after 10 working days of processing.