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“Our Customer Service Center, operated by Insight Technology Solutions, LLC, a Contractor for the U.S. Coast Guard’s National Maritime Center in Martinsburg, WV, provides services via phone, e-mail, and Live Chat. This dedicated team offers general information on application status, how to apply, scheduling, website navigation, and directing contacts to appropriate personnel for further support. However, they do not evaluate qualifications or process applications. The general credentialing information provided is readily available on our website and is intended solely for guidance, remaining subject to evaluation upon submission of a complete application.”

Merchant Mariner Credential Verification: To verify the authenticity of a merchant mariner credential, please e-mail IASKNMC@uscg.mil .  To aid in providing a faster response, please indicate ‘Credential Verification’ in the subject line of your e-mail along with mariner name(s) and mariner reference number(s) in the body of the e-mail. Note, processing times at the NMC will vary based on e-mail volume.

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Use Live Chat:  Our Live Chat with chatbot is available 24/7.  

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We’re available Monday-Friday, 8:00 a.m. to 5:30 p.m. Eastern Time.

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We’re available Monday-Friday, 8:00 a.m. to 5:30 p.m. Eastern Time.

Call 1 (888) 427-5662.

Questions about credentialing policy? Please visit our Policy Regulations (uscg.mil) page.