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Mailing Address:
National Information Data Center
P.O. Box 9408
Gaithersburg, MD 20898-9408

Phone: (301) 287-2347
Fax: (301) 287-2535

National Information Data Center, P.O. Box 9408, Gaithersburg, MD 20898-9408
NATIONAL INFORMATION DATA CENTER IS A NON-EXCLUSIVE LICENSEE OF THE U.S. POSTAL SERVICE. THE PRICE AT WHICH THIS DIRECTORY IS BEING SOLD IS NOT ESTABLISHED, CONTROLLED, OR APPROVED BY THE U.S. POSTAL SERVICE. ALL PAYMENTS WILL BE MADE TO NIDC. USPS®, UNITED STATES POSTAL SERVICE®, AND ZIP CODE® ARE TRADEMARKS OF THE UNITED STATES POSTAL SERVICE.