I had sent I20 and other documents to Nepal by USPS priority mail service. Its 10 days but they haven't recieved yet. Do anyone know how long will it take to recieve over there? or any possibility of loss too?

I have sent few times with USPS priority. It took about one week. Just send someone to the sundhara, where the office is, to check the documents of its arrival.

In my case, I have included phone no of the receipant(in my case home telephone no), they called and asked to pick up the documents from the office and my father went to sundhar(office) to pick up the documents.

its not the problem with USPS, but with GP Office, Sundhara. 

it takes 7-10 days depending on the day you mail the item since the shipment goes oce a week.

why dont u track it? i think u can go to usps.com and track your items.i may be wrong though.

Ask ur friend in Nepal to go to Parcel service in Sundhara and get it himself. They delay in delivery in Nepal.  That was same problem with me too.

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There may be a big (though unseen) problem  in GPO of Nepal.

In my case, I had sent some important documents from USPS 2 months ago. My parents have not received those documents yet. Although I had included the mobile number and full address as well.

Dmanjil, I suggest you to send another copy of the documents via somebody going to Nepal, if possible.

Sorry!!! triple POST :(