UPS的單號的組成形式為：1Z XXX XXX YY ZZZZ ZZZCX = 寄件人的UPS賬戶號碼（6位數）Y = UPS服務等級號（2位數）（具體含義會在下面列出）Z = 包裹的識別號 （7位數）C = 校驗位UPS服務等級號含義 （即上面的Y字符）01 UPS United States Next Day Air ("Red")UPS次日達02 UPS United States Second Day Air ("Blue")UPS第二個工作日結束前送達03 UPS United States GroundUPS陸運12 UPS United States Third Day SelectUPS第二個工作日結束前送達13 UPS United States Next Day Air Saver ("Red Saver")UPS次日達（空運）15 UPS United States Next Day Air Early A.M.UPS次晨達（空運）22 UPS United States Ground - Returns Plus - Three Pickup AttemptsUPS陸運（最多派送三次）32 UPS United States Next Day Air Early A.M. - CODUPS次晨達（）33 UPS United States Next Day Air Early A.M. - Saturday Delivery, CODUPS次晨達（星期六派送，）41 UPS United States Next Day Air Early A.M. - Saturday DeliveryUPS次晨達（星期六派送）42 UPS United States Ground - Signature RequiredUPS陸運（需親筆簽名）44 UPS United States Next Day Air - Saturday DeliveryUPS次日達（星期六派送）66 UPS United States Worldwide ExpressUPS全球特快 （1-3個工作日送達）72 UPS United States Ground - Collect on DeliveryUPS陸運（）78 UPS United States Ground - Returns Plus - One Pickup AttemptUPS陸運（只派送一次）90 UPS United States Ground - Returns - UPS Prints and Mails LabelUPS陸運（打印回郵標簽）A0 UPS United States Next Day Air Early A.M. - Adult Signature RequiredUPS次晨達（必須成人簽名）A1 UPS United States Next Day Air Early A.M. - Saturday Delivery, Adult Signature RequiredUPS次晨達（星期六遞送，必須成人簽名）A2 UPS United States Next Day Air - Adult Signature RequiredUPS次日達 （必須成人簽名）A8 UPS United States Ground - Adult Signature RequiredUPS陸運 （必須成人簽名）A9 UPS United States Next Day Air Early A.M. - Adult Signature Required, CODUPS次晨達（必須成人簽名，）AA UPS United States Next Day Air Early A.M. - Saturday Delivery, Adult Signature Required, CODUPS次晨達（星期六遞送，必須成人簽名，）

UPS本來就在提供這項服務，當UPS受理了您的貨件運送請求后，您可以將貨件運送至UPS的對應的drop off store暫存（類似于國內的分揀中心或門店），這時store中的工作人員會給您的貨件貼上相應的標簽（比如prepaid label），但是，您千萬不要以為只要有這個標簽夠了，這也是很多賣家在出現貨件丟失等問題時吃虧的地方。

1K=1000伏安
2K=2000伏安
3K=3000伏安
就是說帶負載能力的大小唄,即：最大承載能力

指不間斷電源。小的就是應急燈電源，大的要能供樓宇照明，關防火門的用電