不知道快递号，一直没见入仓？

398832451

REI有一个快递，应该16号就到了，但是我不知道快递号，求复查
客户识别码IURD
Shipped from our Pennsylvania distribution center via USPS Freight on Wednesday, 04/15/2015
Estimated Arrival Date: Thursday, 04/16/2015.
REI customer service at may be able to provide a tracking number. Call 1-800-426-4840  or 1-253-891-2500 .