How to Contact a Costco Buyer in 2026: The Complete Regional Office Directory and Outreach Playbook

The question every CPG brand founder asks within the first week of seriously considering the Costco channel is deceptively simple: how do I actually contact a Costco buyer? The answer is both more specific and more nuanced than most guides suggest — because knowing the phone number is only the beginning, and calling the wrong number at the wrong time with the wrong preparation is worse than not calling at all.

The process can be lengthy, taking months before being seen by one of their buyers. For food or sundry items, submit directly to the regional office; for non-food items call corporate. Tastewise

This guide gives every CPG brand the complete, specific, actionable picture of how to contact Costco's buying organization in 2026 — the complete regional office directory with current phone numbers, the correct contact sequence for food versus non-food products, the preparation that makes the first contact productive rather than wasted, the outreach mistakes that most brands make and that Costco buyers immediately recognize, and the alternative pathways that often generate faster and more productive buyer access than the cold-call approach.

At Fractional Brand Managers, establishing productive Costco buyer relationships is one of the most commercially significant functions we provide our clients — and the intelligence in this guide comes from years of navigating the Costco buying organization on behalf of brands across dozens of product categories.

The Complete Costco Regional Buying Office Directory 2026

Costco organizes its buying function through regional offices — each responsible for the product assortment decisions in the warehouse locations within their geographic territory. Understanding which regional office covers your target markets is the most important structural knowledge in the buyer contact process.

For food or sundry items, submit it directly to the regional office; for non-food items call corporate. Tastewise

UNITED STATES REGIONAL BUYING OFFICES:

Costco Corporate / Non-Food and International

📞 1-800-774-2678

Hours: Monday through Friday, 6 a.m. to 6 p.m. PT

Use for: non-food merchandise, hard lines, electronics, and initial general inquiries

Northwest / Headquarters (Issaquah, WA)

The primary headquarters buying organization — responsible for Pacific Northwest warehouse locations and the central corporate buying functions that oversee national program development.

📞 425-313-8100

Hours: Monday through Friday, 6 a.m. to 6 p.m. PT

Northern California Region (Livermore, CA)

Responsible for Northern California, Nevada, and surrounding markets.

📞 925-456-7200

Hours: Monday through Friday, 6 a.m. to 6 p.m. PT

Los Angeles Region (Garden Grove, CA)

Responsible for Southern California markets — one of the highest-volume regional territories in the U.S. network.

📞 714-534-7080

Hours: Monday through Friday, 6 a.m. to 6 p.m. PT

San Diego Region

📞 858-812-1400

Hours: Monday through Friday, 6 a.m. to 6 p.m. PT

Texas Region (Plano, TX)

Responsible for Texas, Oklahoma, and surrounding markets.

📞 972-246-3000

Hours: Monday through Friday, 6 a.m. to 6 p.m. CST

Midwest Region (Oak Brook, IL)

Responsible for Illinois, Wisconsin, Minnesota, Michigan, Ohio, Indiana, and surrounding markets.

📞 630-581-6200

Hours: Monday through Friday, 6 a.m. to 6 p.m. CST

Northeast Region (Sterling, VA)

Responsible for Mid-Atlantic, New England, and surrounding markets.

📞 703-406-6800

Hours: Monday through Friday, 6 a.m. to 6 p.m. EST

Southeast Region (Duluth, GA)

Responsible for the Southeast — Georgia, Florida, Alabama, Tennessee, and surrounding markets.

📞 770-905-8800

Hours: Monday through Friday, 6 a.m. to 6 p.m. EST

CANADIAN BUYING OFFICES:

Eastern Canada Buying Office (Ottawa, ON

)📞 613-221-2000

Hours: Monday through Friday, 8 a.m. to 5 p.m. EST

Western Canada Buying Office (Burnaby, BC)

📞 613-221-2000

Hours: Monday through Friday, 8 a.m. to 5 p.m. PST

INTERNATIONAL:

Mexico Buying Office

📞 011-52-555-246-5500

Hours: Monday through Friday, 8 a.m. to 5 p.m. CST

International Buying Office

📞 1-800-774-2678

Hours: Monday through Friday, 6 a.m. to 6 p.m. PT

Supplier Diversity Program

For minority-owned and women-owned businesses qualifying for Costco's Supplier Diversity Program — a dedicated pathway that creates additional buyer access and institutional advocacy.

📞 1-800-774-2678 (ask specifically for Supplier Diversity)

The Correct Contact Sequence: What Happens After You Call

Understanding what happens at each stage of the contact sequence is as important as knowing the phone number — because brands that call with the wrong expectation of what the first conversation will accomplish are the brands that misinterpret the process and lose momentum when early-stage contact does not immediately generate a buyer meeting.

Stage 1 — The Regional Office First Call

After speaking with the regional manager, your Costco vendor application is forwarded to the Category Buyer, the person who determines the applicability of your product. Tastewise

The first call to a regional office is not a buyer meeting. It is not a pitch. It is an administrative and qualification step — the initial interaction with the regional office team that determines whether the product category and brand profile are appropriate for further consideration and whether there is a current or anticipated category need that the product could address.

What to expect from the first regional office call: a professional administrative or buyer assistant will answer, will ask you to describe the product category, will ask about your current distribution and sales volume, and may ask about your pricing relative to market.

They will not commit to a buyer meeting on the first call. They will explain the submission process — which typically involves submitting a product overview and company information in the format the regional office uses for new vendor evaluation.

What to say in the first regional office call: "Good morning, I am calling to inquire about the process for submitting a new [product category] product for consideration in your regional assortment. I have [specific commercial credentials — retail velocity, review volume, production capacity] and I wanted to understand the right submission pathway for our brand." Clear, professional, specific, brief.

What NOT to say: "I have an amazing product that your members are going to love and I am sure it would do extremely well at Costco." This is the language of enthusiasm without evidence — and it is the language that regional office staff have heard thousands of times from brands that were not ready. Start with credentials, not claims.

Stage 2 — The Product Submission

Submitting a Detailed Product Proposal: Prepare a detailed product proposal that outlines the product's features, benefits, pricing, and market potential. Your proposal should be thorough and professional, showcasing your product in the best light. Tastewise

After the initial regional office contact, the typical submission process requires: a one-to-two-page brand overview (not a full pitch deck — a concise professional document), product photographs in Costco-specific packaging if available or retail packaging if not, pricing architecture showing the proposed Costco member price and the discount relative to alternative channels, and current sales velocity data from existing distribution.

The submission goes to the regional manager first — who reviews it for basic category fit and commercial viability — before being forwarded to the category buyer for evaluation.

Stage 3 — Category Buyer Evaluation

Your application is sent to the Category buyer once the regional manager has given it the go-ahead. This person will determine whether or not your product can be sold at Costco. Tastewise

The category buyer evaluation is the most commercially consequential stage — and the one where the preparation quality of the submission most directly determines the outcome. A well-prepared, specific, data-rich submission that clearly addresses the buyer's decision criteria (category gap, pricing, operational readiness, commercial validation) generates faster and more productive buyer conversations than a generic submission that requires the buyer to seek additional information.

Stage 4 — The Buyer Meeting

If the category buyer's evaluation generates positive interest, a meeting request will follow — either in person at the regional buying office or through a video call. This is the meeting where the pitch deck described in our companion guide becomes the primary commercial tool.

The Four Alternative Pathways to Buyer Access

The regional office phone call is the direct but often slow path to buyer access. Four alternative pathways frequently generate faster and more productive initial buyer contact — and experienced fractional brand managers use all four simultaneously rather than relying on any single approach.

Alternative Pathway 1: The Costco Pitch Slam

It's a one-time, in-person event where food and beverage brands can pitch directly to Costco buyers. Buyers will have 15 minutes to pitch their product to a Costco representative and get direct feedback on their product and pitch. Tastewise

The Costco Pitch Slam — run in partnership with ShelfMade, the CPG founder community — is a structured pitch event that provides direct, in-person access to Costco buyers for selected applicant brands. The fifteen-minute format is simultaneously the most intimidating and most commercially efficient buyer access pathway available: fifteen minutes of direct buyer feedback is worth months of indirect submission evaluation.

Application is competitive — buyers select which brands they want to meet — which means the submission quality determines whether the opportunity is accessible. Brands that apply to the Pitch Slam with a strong commercial credentials package, Costco-specific packaging, and documented retail velocity data are the brands that secure meetings.

Alternative Pathway 2: Trade Show and Industry Event Presence

Visit tradeshows. At a tradeshow, you can see how other vendors have promoted their products and listen to their stories of their successes or failures. Tastewise

Costco's buying team is active at major industry trade shows — Natural Products Expo West, Expo East, the Fancy Food Show, IDDBA, and similar category-specific events. These events create organic meeting opportunities that feel fundamentally different from a cold outreach — because the buyer is actively seeking innovation and category intelligence, and brands that demonstrate genuine quality and commercial credibility in the trade show environment create the kind of buyer memory that makes a subsequent regional office follow-up call land with immediate recognition rather than starting from zero.

The strategic trade show approach for Costco buyer access: attend the shows where your category's buyers are most active, have sampling available and genuinely excellent, have your commercial credentials documentation ready for the buyer who asks for it, and follow up within 48 hours of any meaningful buyer conversation with a concise email referencing the specific conversation and proposing a next step.

Alternative Pathway 3: Established Broker or Fractional Brand Manager Relationships

Ask your representative at your trade bureau to connect you to the Costco buyers as they will potentially have a better history. Tastewise

The most commercially efficient buyer access available to most CPG brands is through the established relationships of an experienced Costco channel specialist — a fractional brand manager or broker who has active buyer relationships at multiple regional offices and whose introduction carries the institutional credibility of a known, trusted commercial partner.

A cold call from an unknown CPG brand to a Costco regional buying office competes with dozens of other cold calls that week. An introduction from a fractional brand manager whose brands have generated consistent roadshow velocity and reliable operational performance at that regional office is a communication that the buyer receives with a fundamentally different level of attention and consideration.

The commercial value of this relationship pathway is not access through back channels or favoritism. It is access through demonstrated commercial track record — the buyer's confidence that a brand introduced by a partner they trust is a brand that has been pre-qualified for commercial readiness and operational reliability.

Alternative Pathway 4: Building Institutional Familiarity Before the Pitch

Use advertising, public relations and marketing to make your brand known to Costco's buyer through third-party websites and industry media sources. Tastewise

The most durable buyer access strategy is the one that builds institutional familiarity before the first direct contact — so that when the call or the submission arrives, it arrives with the buyer already having some awareness of the brand's commercial existence.

The specific institutional familiarity building activities that generate the most useful pre-pitch buyer awareness: coverage in trade publications that Costco buyers read (Supermarket News, Progressive Grocer, Specialty Food magazine, Food Business News), presence and recognition at industry events the buying team attends, and a documented social media presence that demonstrates genuine consumer community engagement with the brand.

A buyer who receives a submission from a brand they recognize — because they have seen it at Expo West, read about it in a trade publication, or noticed its social media presence in the category — is in a fundamentally more receptive initial evaluation position than a buyer receiving a cold submission from a completely unknown brand.

The Five Outreach Mistakes That Kill Applications Before They Reach a Buyer

Mistake 1: Contacting corporate headquarters for food products

For food or sundry items, submit it directly to the regional office; for non-food items call corporate. Tastewise

This is the most consistently made structural error in Costco buyer outreach — and the one that most immediately signals to the buying organization that the brand has not done its channel research. Food and sundry products must be submitted to the regional buying office responsible for the brand's primary market. Corporate headquarters handles non-food categories. Sending a food product submission to corporate creates a misdirection that delays evaluation and communicates insufficient channel knowledge.

Mistake 2: Pitching before commercial validation data exists

Buyers are taking a risk when they are approving a new product. Your opinion is nice, but they need to be able to base their decision on hard facts. Tastewise

A brand that calls a regional buying office with enthusiasm but without retail velocity data, consumer review evidence, or any documented commercial validation is a brand that is asking a buyer to take a risk that no available evidence justifies. The most commercially damaging timing of a Costco buyer outreach is too early — before the commercial validation data exists that would make the submission competitive. Build the evidence first. Contact the buyer second.

Mistake 3: Following up too aggressively after initial submission

The Costco buying process is deliberate and cannot be accelerated by persistent follow-up. A brand that calls the regional office weekly to check on submission status is a brand that is communicating the institutional impatience that characterizes brands not yet ready for a major retail relationship. One follow-up call or email three to four weeks after the initial submission is appropriate. Multiple contacts in the first month are not.

Mistake 4: Submitting without Costco-specific packaging concept

A submission that presents retail packaging to a Costco buyer is a submission that requires the buyer to mentally translate the product into the Costco format — additional cognitive work that most buyers do not invest in submissions that have not already demonstrated sufficient commercial credibility to justify the effort. A Costco-specific Floor-Ready Shipper packaging concept — even as a rendered design rather than a manufactured sample — communicates channel preparation that makes the buyer's evaluation significantly easier.

Mistake 5: Contacting the wrong regional office

The regional office that covers your primary market is not necessarily the regional office with the most receptive buying team for your category. Some categories — organic and natural food, for example — have the most developed buying infrastructure in specific regional offices. Research the regional office whose current assortment most closely aligns with your product's positioning before making first contact.

The Timing Reality: What a Realistic Outreach-to-Meeting Timeline Looks Like

For brands that have not worked with experienced Costco channel specialists with established buyer relationships, the realistic timeline from first regional office contact to first buyer meeting is two to six months — and from first buyer meeting to first purchase order or roadshow authorization is an additional three to six months.

Acquiring products into Costco inventory requires patience and organization. The process can be lengthy, taking months before being seen by one of their buyers. Tastewise

This timeline is not a dysfunction of the Costco buying organization — it is a function of the institutional seriousness with which Costco evaluates every vendor relationship it authorizes. The buying team manages approximately 4,000 SKUs across 600-plus U.S. warehouses.

Every authorization is a commitment of limited and commercially precious floor space. The evaluation rigor that produces a six-to-twelve-month process from first contact to first commercial event is the same rigor that makes the Costco channel commercially superior to alternatives — because the buyer confidence that takes months to establish is the buyer confidence that sustains the commercial relationship through multiple event cycles and toward permanent placement.

The brands that accelerate this timeline most consistently are the brands that arrive at the first buyer conversation with the most comprehensive commercial preparation — the clearest category gap analysis, the strongest velocity data package, the most complete Costco-specific operational readiness documentation, and the most established trade show and institutional familiarity that gives the buyer genuine pre-existing confidence in the brand's commercial credibility.

At Fractional Brand Managers, we accelerate this timeline for our clients through established buyer relationships and comprehensive commercial preparation support — providing the most efficient path from first contact to first commercial event available in the Costco channel.

Contact us at 732-433-7873 or info@fractionalbrandmanagers.com.

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