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What is a United Nations or North American (UN/NA) code?

April 26, 2017American code Na north United Nations

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What is a United Nations or North American (UN/NA) code?

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A UN or NA code as they are sometimes referred to (also known as the HAZMAT ID,) is a four-digit code assigned to hazardous materials shipments. This number typically appears on your shipping invoice or other shipping document. If you need assistance in identifying the appropriate UN/NA code, refer to UN/NA codes [xls] or [pdf] for a complete listing of codes or contact us at 1-800-772-7851.