求助，关于从美国来的包裹

CHENZG

国内把我东西寄到美国去了、、、那边人又帮我寄回来。5月4号到现在还没收到。
Label Number: LC44 7161 390U S
Processed through USPS MIAMI FL 33112 05/06/12 1:28pm
Sort Facility

Processed through USPS OPA LOCKA FL 33054 05/05/12 11:39pm
Sort Facility

Depart USPS Sort GRENADA MS 38901 05/04/12
Facility

Processed at USPS GRENADA MS 38901 05/04/12 8:45pm
Origin Sort Facility

Dispatched to Sort COLUMBUS MS 39705 05/04/12 6:09pm
Facility

Acceptance COLUMBUS MS 39705 05/04/12 3:38pm

这个在美国网站上看到的。
请问是什么情况？这边的邮局查不到。