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Warning: Homeport recommends using Microsoft Edge. Unsupported browsers; such as Chrome, Firefox or Safari, may erroneously say credentials are invalid or display an incompatibility warning. If this happens please contact the NMC via chat, email or phone.

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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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Live Chat

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.

 

The U.S. Department of Defense is committed to making its electronic and information technologies accessible to individuals with disabilities in accordance with Section 508 of the Rehabilitation Act (29 U.S.C. 794d), as amended in 1998. DoD websites use the WCAG 2.0 AA accessibility standard.

For persons with disabilities experiencing difficulties accessing content on a particular website, please use the form DoD Section 508 Form.  In this form, please indicate the nature of your accessibility issue/problem and your contact information so we can address your issue or question. If your issue involves log in access, password recovery, or other technical issues, contact the administrator for the website in question, or your local helpdesk.