USPS Post Office Alta Loma - Rancho Cucamonga CA

Address:

6649 Amethyst Ave, Rancho Cucamonga CA 91701 (Directions from | to)

Phone:

(909) 987-0785

Fax:

(909) 987-3653

Website:

www.usps.com

Categories:

Mail & Shipping

Opening Hours

Monday: 8:30 AM-5:00 PM
Tuesday: 8:30 AM-5:00 PM
Wednesday: 8:30 AM-5:00 PM
Thursday: 8:30 AM-5:00 PM
Friday: 8:30 AM-5:00 PM
Saturday: Closed
Sunday: Closed

Lot Parking Available

Additional Phones

Toll-Free: 1-800-ASK-USPS
TTY: (877) 889-2457

Services

Call Referral, Gift Card Services, Greeting Card Services, Label Broker, PO Box Online, Pickup Accountable Mail, Pickup Hold Mail

Call Referral Hours

Mon-Fri: 09:00-17:00
Sat-Sun: Closed

Last Collection Hours

Mon: 4:00 PM
Tue: 4:00 PM
Wed: 4:00 PM
Thu: 4:00 PM
Fri: 4:00 PM
Sat: 3:00 PM
Sun: -

Lobby Hours

Mon-Fri: 08:30-17:00
Sat-Sun: Closed

Pickup Accountable Mail Hours

Mon-Fri: 08:30-17:30
Sat-Sun: Closed

Pickup Hold Mail Hours

Mon-Fri: 08:30-17:30
Sat-Sun: Closed

Pickup Notice Left Mail Hours

Mon-Fri: 08:30-17:30
Sat-Sun: Closed

PO Box Access Hours

Mon-Fri: 08:30-17:00
Sat-Sun: Closed

PO Box Delivery Hours

Mon: 11:30 AM
Tue: 11:30 AM
Wed: 11:30 AM
Thu: 11:30 AM
Fri: 11:30 AM
Sat: 11:30 AM
Sun: -

Hours

Mon-Fri: 08:30-17:00
Sat-Sun: Closed

Other USPS Post Office Locations

USPS Post Office in Rancho Cucamonga
USPS Post Office in California
USPS Post Office in the United States
USPS Post Office worldwide

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Last updated:

28 Jul 2025
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