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How do I validate potential Fedex tracking numbers, without hitting a web service? I've heard Fedex employs a modified version of the Luhn algorithm.

Saurav
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1 Answers1

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Check the google answer. There are different algorithm for ground and express.

J-16 SDiZ
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  • this shows some changes to tracking numbers for 2013 (and corresponding barcodes) that may be useful depending upon what you're doing : http://fedex.p.delivery.net/m/p/fdx/bcc/home.asp – Simon_Weaver Jun 29 '12 at 21:35