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 |