Domestic Classes

US Domestic Mail Services Approximate Time of Delivery
Express 1 day
Priority 2-3 days
First Class 2-4 days
Parcel Post 7-10 days
Media Mail (Books & Films) 7-10 days
Standard Mail (Bulk) (Minimum of 200 identical pieces) 1-2 weeks
Library Rate (Can only be used for mail going to or from a library) 7-10 days