The United States Post Office will be increasing domestic shipping rates for First-Class mail in January.

According to information from the USPS, the Postal Service is "revising mailing standards of the United States Postal Service Domestic Mail Manual to reflect changes to prices and mailing standards" for some of it's products and services.

As of January 27th, the prices for shipping many items including letters and packages will go up for services like Express Mail, Priority Mail, First-Class Package Service, Parcel Select, Parcel Post, Extra Services, Return Services, Mailer Services and Recipient Services.

Here is a breakdown of some of the new mailing service prices:

One-ounce letter: $0.46
One-ounce flat: $0.92
One to three ounce parcel: $2.07
Each additional ounce (letters and flats): $0.20
Each additional ounce (parcels): $0.17
Postcard: $0.33

Other Rates:

Standared Mail Letter- 3-digit automation: $0.27
Certified Mail: $3.10
Electronic Return Receipt: $1.25