First-Class Mail:
* Standard First-Class Mail: 2-5 business days
* First-Class Package Service: 1-3 business days
* Priority Mail:**
* Priority Mail: 1-3 business days
* Priority Mail Express: 1-2 business days
Non-Machinable Parcel:
* 3-15 business days
These timeframes are average estimates and may vary based on individual circumstances. For time-sensitive mail, it is recommended to choose a faster shipping method such as Priority Mail Express or overnight delivery. You can also track your mail item using the USPS tracking system to get real-time updates on its location and estimated delivery date.