Directorate of Immigration
P.O. Box 2088
Brazzaville, Congo
Tel: +242 22 281 0859
http://www.faa.gov/air_traffic/publications/ifim/country_info/PDF/cg.pdf
The following are useful links
Obtaining a passport
http://www.doyouneedvisa.com/passport/Republic%20of%20the%20Congo
Online Visa Application
http://congo-republic.travisa.com/
http://www.passportandvisaonline.com/rcongo.htm
Visiting Republic of Congo
https://www.abriggs.com/visas/c/congo_republic_tourist_visa.php
Becoming a citizen
http://congo-republic.visahq.co.uk/
Green Card
