Carrier store · operator details unverified

AT&T Store

1257 S Diamond Bar Blvd, Diamond Bar, CA 91765
(909) 861-7888
Today's listed hours11 AM–6 PM
monday
10 AM–8 PM
tuesday
10 AM–8 PM
wednesday
10 AM–8 PM
thursday
10 AM–8 PM
friday
10 AM–8 PM
saturday
10 AM–8 PM
sunday
11 AM–6 PM
America/Los_Angeles

AT&T Customer Care

Browse more carrier stores

Store Photos

AT&T Store — collected listing image — Collected listing photo · Google Maps listing

Independent information service. Free Phone is not affiliated with any carrier or government agency. Information is collected from public sources and may be incomplete or outdated. Confirm current details with the provider.

In-Store Services

In-store pickup for online orders
Has in-store shopping
Onsite services available
No delivery

Listed Amenities

Has wheelchair accessible entrance
Has wheelchair accessible parking lot
Has Wi-Fi
Accepts credit cards
Accepts debit cards
Accepts NFC mobile payments

Nearby Stores

AT&T Store — collected listing image

AT&T Store

2775 S Diamond Bar Blvd, Diamond Bar, CA 91765

(909) 588-6668

2.2 miles away · straight-line distanceView Store

AT&T Store — collected listing image

AT&T Store

515 N Grand Ave #1a, Walnut, CA 91789

(909) 551-8237

2.4 miles away · straight-line distanceView Store

AT&T Store — collected listing image

AT&T Store

763 Rio Rancho Rd #100, Pomona, CA 91766

(909) 927-8384

4.0 miles away · straight-line distanceView Store

AT&T Store — collected listing image

AT&T Store

13089 Peyton Dr A, Chino Hills, CA 91709

(909) 628-5653

4.1 miles away · straight-line distanceView Store

Distances are straight-line estimates. This snapshot is not an exhaustive store directory.

More Carrier Locations

Browse the locations currently included in this directory.

View Carrier Stores

Collected Sep 4, 2026. Current details have not been independently verified. Sources & methodology