Usps first class mail tracking not updating
If you would like to request that USPS not send text updates to your mobile device during off hours, you can take the following steps: Text "Quiet" to 28777 (2USPS).
USPS will stop sending USPS Text Tracking updates to your mobile number between the hours of 11PM CST and 7AM CST.
This limitation means that you will need to select USPS Tracking as an add-on service, and pay an extra free, in order to ship a package using these label types.This information is also available throughout the request cycle by use of a keyword as explained in the topic "How do I use keywords?" For example: USPS 01123456789123456789, Expected Delivery by: Monday, September 11, 2017 Reply STOP to cancel Confirmation Sometimes you may make a request that cannot be fulfilled immediately.2com USPS Tracking initiated request: Option 1: a user may request Expected Delivery updates on their package, which means that a Text Tracking message will be sent to the user's mobile device for an expected or scheduled date information on the package.Option 2: a user may request Day of Delivery updates on their package, which means that a Text Tracking message will be sent to the user's mobile device when USPS expects to deliver the package that day.