India, July 7 -- The USPS is increasing the prices of several mailing services from Sunday. The changes affect Forever stamps, postcards and some package services. The biggest change is the price of a First-Class Forever Stamp. It will increase from 78 cents to 82 cents, meaning people will have to pay 4 cents more to mail a standard letter.

The price of sending a domestic postcard is also going up. It will increase to 65 cents. Sending an international postcard will become more expensive too. The new price will be $1.75. The USPS is also introducing a new fee for certain dangerous packages. A $7.50 hazardous materials (hazmat) handling fee will now apply to hazardous packages sent through Priority Mail and Priority Mail Express, accordi...