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  4. I am having trouble with my Global Entry/NEXUS/SENTRI membership; whom can I contact?

I am having trouble with my Global Entry/NEXUS/SENTRI membership; whom can I contact?

If you have questions or concerns about your Global Entry, NEXUS, or SENTRI membership, you may visit the Trusted Traveler Program website or contact Customs and Border Protection at  (877) 227-5511 or by email.