Post offices provide daily mail and package delivery, retail postal services, and specialty offerings like passport acceptance and money orders to residents and businesses. There are 3 Post Office locations in Rancho Cucamonga, California.

Residents of Rancho Cucamonga should check the USPS website or call their nearest branch to confirm current window hours before visiting, as lobby hours with self-service kiosk access often differ from staffed window hours. Larger locations may also offer package pickup lockers accessible 24 hours a day.

List of Rancho Cucamonga City, California Post Office

Etiwanda Post Office

View Details Call Now (909) 899-8644

Etiwanda Post Office

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Alta Loma Post Office

View Details Call Now (909) 987-0785

Alta Loma Post Office

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Rancho Cucamonga Post Office

View Details Call Now (909) 483-2184

Rancho Cucamonga Post Office

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Hours

Residents of Rancho Cucamonga can manage many postal needs without visiting in person by using USPS.com to track packages, submit change of address requests, schedule free package pickups, and purchase postage. When visiting a post office for passport acceptance or certified mail, bring appropriate ID and arrive before the window closes as lines can be longer near midday and end of month.

You may also find Post Office locations in nearby cities including Rancho Cucamonga, Chino, Chino Hills.