USPS First-Class Package Delivery Time Calculator
Calculate delivery times for small USPS packages under 16 ounces. First-Class Package Service (now part of Ground Advantage) includes tracking and delivers in 1-5 business days.
First-Class Package Delivery
1-5 Business Days
Tracking included for all packages
Service Update: Ground Advantage
In 2023, USPS merged First-Class Package Service into USPS Ground Advantage. For packages under 16oz, Ground Advantage offers similar pricing and delivery times with included tracking.
Calculate First-Class Package Delivery Time
Enter your ZIP codes to estimate how long your small package will take to arrive.
Upcoming USPS Non-Delivery Days:
- Sun, Dec 14 - Sunday - No regular mail delivery
Ready to Calculate
Enter your origin and destination ZIP codes above, then click "Calculate Delivery Time" to see estimated arrival dates for all USPS services.
How Long Does USPS First-Class Package Take?
First-Class Packages typically deliver in 1-5 business days, similar to First-Class letters but with tracking included. Actual delivery times depend on origin, destination, and current mail volume.
1-2 Days
Local (same city/region)
2-3 Days
Regional (neighboring states)
3-5 Days
Cross-country
Note: Delivery times are estimates, not guarantees. For time-sensitive packages, consider Priority Mail or Priority Mail Express with guaranteed delivery dates.
First-Class Package Rates (2024)
Pricing is based on weight and distance (zone). Online postage is typically cheaper than retail rates.
| Weight | Local Zone | Far Zone | Notes |
|---|---|---|---|
| 1-4 oz | $4.00 | $4.50 | Lightest packages |
| 5-8 oz | $4.50 | $5.50 | Most common range |
| 9-12 oz | $5.25 | $6.75 | Medium packages |
| 13-15.99 oz | $6.00 | $8.00 | Maximum weight |
* Rates are approximate and may vary. Check our rates calculator for exact pricing based on your ZIP codes.
First-Class Package Size & Weight Limits
Packages must meet these specifications to qualify for First-Class Package rates:
Size & Weight Requirements
- Maximum Weight: 15.99 oz (under 1 lb)
- Maximum Length: 22 inches
- Maximum Width: 18 inches
- Maximum Height: 15 inches
- Minimum Size: 6" x 3" x 0.25"
Not Eligible for First-Class Package
- Packages over 15.99 oz (use Ground Advantage)
- Hazardous materials
- Perishable items without proper packaging
- Items requiring insurance over $5,000
- International shipments (use First-Class Intl)
First-Class Package Tracking
Unlike First-Class letters, all First-Class Packages include free USPS Tracking. Here's what you can expect:
What Tracking Shows
- - Acceptance scan at post office
- - In-transit scans at facilities
- - Out for Delivery notification
- - Delivered confirmation with time
Pro Tip: Sign up for USPS Informed Delivery to get email and text notifications about your packages. Track your package on our tracking status page.
First-Class Package Pro Tips
- 1Use USPS Ground Advantage for packages under 16oz - same service, new name
- 2Buy postage online through USPS.com or third-party services for lower rates
- 3Print labels at home to avoid post office lines and get discounted rates
- 4Use free USPS boxes for Priority Mail if your item weighs over 1 lb
- 5Schedule free USPS Package Pickup for convenience - no need to visit the post office
- 6Add insurance for valuable items - First-Class doesn't include coverage
Frequently Asked Questions
How long does USPS First-Class Package take?
USPS First-Class Package Service (now part of Ground Advantage) delivers in 1-5 business days. Most packages arrive in 2-4 days. Unlike First-Class letters, packages include free tracking.
What is the weight limit for First-Class packages?
First-Class Package Service accepts packages up to 15.99 oz (just under 1 lb). For heavier items, use USPS Ground Advantage or Priority Mail. The maximum dimensions are 22 inches long x 18 inches wide x 15 inches high.
Is tracking included with First-Class packages?
Yes, USPS Tracking is included free with all First-Class Package shipments. You can track your package online at USPS.com or through the USPS app using the tracking number provided at the time of mailing.
What's the difference between First-Class Package and Ground Advantage?
USPS merged First-Class Package Service into Ground Advantage in 2023. If your package is under 16 oz, Ground Advantage pricing is similar to the old First-Class Package rates. Both include tracking and have similar delivery times.
How much does First-Class Package cost?
First-Class Package (now Ground Advantage for packages under 16oz) starts at around $4.00 for a 1oz package and increases based on weight and distance. Rates are calculated by zone and weight, with online postage often cheaper than retail rates.