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This article is part of a series to give a brief overview of the different services offered by USPS through ShipStation. 


Parcel Select Ground is one of the least expensive but slowest services. Packages will be sent by ground. This means the shipment will be jostled and handled more than shipments that are sent through any of the air services offered by the USPS.


Best Used for: 

  • Shipping something that cannot be sent via an air service
  • Package dimensions exceed the limits of other services


Basic Information


Domestic Only


Delivery Timeline

  • Average delivery 2 - 8 business days. 
    (Not a guaranteed service; delivery may be delayed.)

Confirmation Options

  • Delivery confirmation (tracking) 
  • Signature Confirmation
  • Adult Signature 

Insurance Options

  • Insurance can be added for a fee. 


Rate Calculation

Rates are determined by the weight and dimensions of the package and the distance it has to travel. When dimensions exceed 1 cubic foot, it could be subjected to dimensional (DIM) weight billing.


Distance determined by zone. 



Restricted Items

There are restrictions for mailing restricted, prohibited, and hazardous materials, including cigarettes and smokeless tobacco. Learn more about restrictions.


Weight Limits

  • Max 70lbs 

Package Dimension Limits

The maximum combined length and girth is 130 inches.

This means the combined measurement of the longest side and the distance around the thickest part cannot be more than 108 inches.


Length: The longest size of the package.

Girth: The width and height of a package doubled and added together.

  • Width: The distance from one side to the other on the shortest part of the package.
  • Height: The distance from top to bottom of a standing package.

How to Measure GirthHow to Measure Girth



Note: Pieces exceeding 108 inches but not more than 130 inches in combined length and girth are mailable at the Parcel Select Ground oversized price for the zone to which addressed.

Version history
Revision #:
6 of 6
Last update:
‎03-05-2021 12:46 PM
Updated by: