Graybar Diamond Bar Sales Office

Graybar Locations

Graybar Diamond Bar Sales Office, one of Graybar’s  North American locations, is a leading distributor of high-quality electrical, communications and data networking products, and specializes in related supply chain management and logistics services.

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News and Events

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Graybar Diamond Bar Sales Office

1370 Valley Vista Drive
Suite 100
Diamond Bar, CA 91765

Location Type

  • Sales Office

Contact

Phone: (909) 451-4300
Fax: (909) 451-4399

Location Hours

Mon-Fri: 7:00 am to 5:00 pm

Customer Service Hours

Mon-Fri: 5:00 am to 11:00 pm EST
Sat-Sun: 9:00 am to 6:00 pm EST