Tesoro Corporation Customer Service

Phone Number & Contact Info

Tesoro Corporation's Best Phone Number

Toll-free·Calls Gift Card Purchasing·Most popular Tesoro Corporation number

How do I talk to a live human at Tesoro Corporation?

A:Press 1

Does Tesoro Corporation offer 24 hour customer service?

A:Yes! This call center operates 24 hours a day, 7 days a week. The least busy day is Wednesday, and the most busy day is Monday.

How long will I wait on hold?

A:The average hold time is 4 minutes. The longest hold times are on Friday, and the shortest are on Tuesday. How is this calculated?

Tesoro Corporation Customer Phone Numbers

Corporate Offices

24 hours, 7 days · Calling this Tesoro Corporation number should go right to a real human being ·

How do I get through the phone menu to a live person?

GetHuman researchers routinely call this Tesoro Corporation phone number to document the phone system.
Here is our latest tip for weaving through the phone menu to get to a real person the fastest: Press 1

What are the hours and when should I call?

Tesoro Corporation operates the call center for this 877-783-7676 phone number 24 hours, 7 days. The short answer is that you should call on a Wednesday. This observation and the following section are based on analysis of a sample set of 65 calls made in the last 90 days using our free, web-based phone (see above).
An important note: busy times vs hold times vs best time to call
When we refer to busy or less busy times, we are talking about the volume of calls. The busiest times are when the most people are calling this Tesoro Corporation phone number (least busy times have fewer people calling). This high call volume does not necessarily mean that you will have a long hold time when you call. Companies like Tesoro Corporation staff their call centers differently based on the time of day and day of the week, so you may experience a shorter wait on hold at the busiest of times. When we refer to the best time to call, we are referring to the optimal combination of lower call volume and shorter wait times.

The least busy time to call

The least busy day to call Tesoro Corporation is Wednesday. The most busy day to call is Monday. Again, this is based on a sample of 65 calls made with our AI-powered, web-based phone in the last 90 days.

The shortest wait on hold

We measured the shortest hold times to be on Tuesday. The longest wait in the queue on average occurs on Friday.

The best time to call Tesoro Corporation

In summation, the best day to call Tesoro Corporation is Wednesday. This is not the day with the shortest wait on hold in the phone system, but we still recommend it for its ideal combination of low call volume and short hold times. Plus we believe that Tesoro Corporation staffs the call center well on Wednesday.

Why Customers Call Tesoro Corporation

If you have time to do a bit of reading before you call Tesoro Corporation, we recommend you read over some of our problem-specific articles.

What is Tesoro Corporation?

Tesoro Corporation is an American petroleum refining and marketing company. With a rich history dating back over 100 years, Tesoro operates as one of the largest independent petroleum refiners in the United States. Our primary focus is on refining crude oil and distributing refined products to retail and wholesale markets. Our refining facilities are strategically located in key regions across the country, allowing us to efficiently process and deliver energy products to meet diverse customer needs. In addition, Tesoro owns and operates a network of over 2,500 retail stations under various well-known brand names. Committed to sustainability, safety, and community engagement, Tesoro Corporation plays a vital role in ensuring the reliable supply of transportation fuels and other essential energy products throughout the nation.

Where are Tesoro Corporation's headquarters located?

Tesoro Corporation's headquarters are located in San Antonio, Texas. This central location provides convenient access to major transportation hubs and allows for efficient management of their operations across the country. As one of the largest independent petroleum refining and marketing companies in the United States, Tesoro's decision to establish its headquarters in San Antonio demonstrates its commitment to fostering growth and innovation. Being situated in Texas, a prominent energy hub, also allows the company to tap into the region's extensive resources and expertise. Tesoro's San Antonio headquarters represent the company's dedication to serving its customers, shareholders, and communities while strategically positioning itself within the energy industry.

What is Tesoro Corporation's mission statement?

Tesoro Corporation’s mission statement is to be the leading supplier of petroleum products and a provider of energy solutions while maintaining the highest standards of safety, environmental responsibility, and operational excellence. Our focus is on delivering value to our customers, shareholders, and employees through strategic growth, innovation, and operational efficiencies. We aim to foster a culture of teamwork, diversity, and inclusion, where every employee is empowered to contribute to our success. We are committed to upholding ethical practices, engaging with the communities we operate in, and being a responsible corporate citizen. Our mission is to create long-term value and sustainable growth while meeting the energy needs of today and tomorrow.

Top Tesoro Corporation customer service problems

Click the link above to get answers to just about any Tesoro Corporation customer service question, including step by step guides for the most complex issues. You can also detail a new issue and get answers instantly.

Conclusion and closing notes

This is Tesoro Corporation's best phone number, the real-time current wait on hold and tools for skipping right through those phone lines to get right to a Tesoro Corporation agent. This phone number is Tesoro Corporation's best phone number because 390 customers like you used this contact information over the last 18 months and gave us feedback. Common problems addressed by the customer care unit that answers calls to 877-783-7676 include and other customer service issues. Rather than trying to call Tesoro Corporation first, consider describing your issue first; from that we may be able to recommend an optimal way to contact them via phone. In total, Tesoro Corporation has 2 phone numbers. It's not always clear what is the best way to talk to Tesoro Corporation representatives, so we started compiling this information built from suggestions from the customer community. Please keep sharing your experiences so we can continue to improve this free resource.

GetHuman does not provide call center services or customer support operations for Tesoro Corporation. The two organizations are not related. GetHuman builds free tools and shares information to help customers of companies like Tesoro Corporation. For large companies that includes tools such as our GetHuman Phone, which allows you to call a company but skip the part where you wait on the line to get a live human rep. We continue to work on these tools to help customers like you (and ourselves!) navigate the messy phone menus, hold times, and confusion with customer service. As long as you keep sharing it with your friends and loved ones, we'll keep doing it.

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