http://www.cbp.gov/xp/cgov/toolbox/ports/

Doug wrote:
I'm going up Colorado, Roberval Quebec, and back to Colorado. I have
the phone number for a central Canadian Customs, but don't have a
central US Customs phone number. Does anyone know what it is? I realize
I call Canadian Flight Service and file a Canadian Flight plan into a
US airport that has Customs. But do I need the phone number of each
specific US Customs Office? Surely there must be a central number?
Thanks,
Doug