To those who don’t know what the USPS is, it’s the postal services of the United States. The full of USPS is United States Postal Services. The service delivers thousands and millions of parcels on a daily basis. Customers are also able to track their shipment and can also directly contact the delivery person for any query related to it.

The customers will be assigned a unique ID number that will range of 15 digits. This number will be the proof that the product is delivered to the right person. The customers of the USPS will also be eligible for many perks that will include the plans like Thrift Savings Plan Sign in to your USPS account to know more.

This serial number or the identification number will also a place where the customer can update all the possible locations on which he/she can take the delivery of the product. You can understand it better as if you are a USPC customer and you have 5 mailing facilities that you use. There will be 5 identification numbers assigned to you.

You can apply for these identification numbers and the mailers generally take 3-6 days to process the application. The service is one of the biggest postal services in the States. Earlier in this decade, USPS was on the verge of the end but the government provided a helping hand.WHY MY SPEED POST NOT TRACKING

Customers were losing their faith in the service as the private players are doing such a great job. Then after the revival, USPS is now offering a wide range of features and perks to the customers. The Thrift Savings Plan Sign in is one of those perks that customers can avail of using this identification number. This number is the one that is used by the customers to open their account and know about all the shipments.