On Monday 5/15/23 Diamond Line is migrating to a new TMS. You will be directed to a new customer portal. In order to access our old customer portal, please click here. To access our current customer portal, click here or scroll down and click on Customer Login, under Customer Tools.

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Offering reliable service to the Northwest and Beyond

Corporate Office

1550 S Tech Ln. Ste. 200 Meridian, Idaho 83642


Toll Free: 866-933-8733
Local: 208-888-7133
Dispatch Fax: 208-258-2199
Office Fax: 208-888-7129
Customer Service Fax: 208-888-7105

Holiday Schedule

Holiday Schedule 2021

Memorial Day - May 31st, 2021

Independence Day - Observed July 3rd, 2021

Labor Day - September 6th, 2021

Thanksgiving Day - November 25th, 2021

Day After Thanksgiving - November 26th, 2021

Christmas Eve - December 24th, 2021

Christmas Day - December 25th, 2021

New Years Day - Observed December 31st, 2021

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