USPS or united states parcel service is also being known as the post office, US mail or postal service of United States. USPS is the agency of the federal government of United States which is an independent agency. It is a government agency and the oldest package delivery service which is being provided in the United States with a large number of workers in it which also provides the employment to more than 61700 peoples of United States. The USPS provides its delivery services in very low rate although it's delivery service is slow but it is totally reliable and trustworthy. Sometimes we need to deliver a very important package urgently but as we know that there are many courier companies which do not work on weekdays, in that case, it really becomes very difficult to deliver our package. As there are lots of ways and methods by which you can send your mails , documents or anything even online without spending any money or wasting time but still in case of the important documents people believe on the postal services. From being online they mostly prefer to send their package, document or mail items by using the postal services and in the United States, USPS is the well known postal service which is more reliable and easy to use with lots of facility and features.\u00a0If you have to deliver any urgent package on weekend even on Sundays then you might be thinking which courier service should you use. As we told you that USPS is a trustworthy and mostly used courier service for a long time now and the big question arises that does USPS also delivers on Sunday or not. Do not worry today we are going to solve your this query and give you the answer of this question that USPS deliver on Sunday your package or not. Does USPS Deliver on Sunday? The answer to your question is yes USPS delivers on Sunday but there is an exception that the packages which come under the priority mail express service of USPS or which are the Amazon package only get delivered on Sunday by USPS. Any other normal mail or item is not delivered on Sunday by USPS. The priority mail express is the service which is provided by USPS for the fastest delivery of your package and this service is only available in the domestic region. This service is available throughout the whole year on all days except the national holidays or government holidays, this service takes lastly 1-2 days in the delivery of your package and also comes with the guaranteed money back if delivery fails or does not attempt on time. Although Sunday is not a working day inspire of it USPS does not charge the high rate as other companies did for the delivery on Sunday it provides this facility in low rates or you can also use the facility of Amazon delivery for your product. So , this becomes the main reason for the customers to use USPS for delivering their package on correct time with complete trust. USPS provides you the best promises and features of delivery even with the low delivery charges , any other courier company does not provide this service or if in case they provide then they charge too much amount or delivery charges. USPS Sunday Hours Now , the next new thing that has been recently covered under USPS is Amazon packages which are also delivered on Sunday by USPS itself. This service of delivery of Amazon packages was started on November in 2013 with their mutual agreement. Even though now the USPS also delivering the packages of Priority mail express and Amazon packages even on the postal holidays as they did not do before. All of the customers who ordered from Amazon can get the delivery on Sunday but that depends on the time of placement of the order but the Amazon prime customers are more prior to get the delivery on correct time that is if they ordered their any item even on late night of Friday then they can get the delivery of their package on Sunday by USPS. USPS Sunday delivery hours Many of the customers thought that as the USPS delivers on Sunday then they also open their office even on Sundays but the answer to this is No. USPS does not open their offices on Sunday. You are unable to any work in the post office but you can drop your package in the mailbox or the post box which are situated outside the USPS office or you can also drop your package or mail in the drop slot of the post office as many of the offices provide this facility to its customers. If you wanted to calculate the weight and shipping price by yourself then you can check that on the weighing machine which is provided in the post office itself for your convenience. In some of the metropolitan or big cities in the particular area, some post offices also get open even on Sunday but most of them remain closed.\u00a0As , USPS do not have any specific or particular time for the delivery of their package on Sunday or when does the assignment reach to the destination as the time of delivery of the package depends on various things like on the volume of the mailing item, the location of the delivery or the address of the receiver. Closure , So we hope that you might be got your answer to the question. So from this article at the end, we concluded that USPS only delivers the Amazon packages or the packages that come under Priority mail express service of USPS and the other normal mails only get delivered on working days. Hope after reading it you will got your answer and do not need to search any more as we have tried to solve all of your query and if still you have any doubt or questions in your mind when you are free to ask us we will be happy in helping you and try our best in solving your query.