Details
| Post office address | 31078 S Highway 91 |
| Town/City | Swanlake |
| State | ID |
| ZIP | 83281-9998 |
| Phone | 208-897-5561 |
Services Offered at this location and other information
Parking: No Parking Available
Contacts
- Phone support: 1-800-ASK-USPS® (800-275-8777)
- TTY: 877-889-2457
- Phone: 208-897-5561
PO Box Delivery
- Monday: 10:00
- Tuesday: 10:00
- Wednesday: 10:00
- Thursday: 10:00
- Friday: 10:00
- Saturday: 10:00
Official Website
Deadlines for a deposit
| Day | Maximum hours for departure today |
|---|---|
| Monday |
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| Tuesday |
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| Wednesday |
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| Thursday |
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| Friday |
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| Saturday |
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Postage rates 2026
Indicative rates subject to change by the postal operator.
First-Class Mail
Delivery in 1–5 business days.
Service
Price
Postcards
From $0.61
Letters (up to 1 oz)
$0.78
Large Envelopes (Flats)
From $1.63
Shipping Services
USPS domestic shipping prices at the Post Office (retail rates).
Service
Price
USPS Ground Advantage (2–5 days)
From $7.30
Priority Mail (2–3 days)
From $10.20
Priority Mail Flat Rate Envelope
From $11.95
Priority Mail Flat Rate Box
From $12.65
Priority Mail Express (1–3 days)
From $33.00
Priority Mail Express Flat Rate Envelope
From $33.25
Media Mail (2–8 days)
From $4.47
