Dunkin’ Customer Service, Contact, Phone & Support (2026)
Every official way to reach Dunkin’, Guest Care phone, online form, the app, social media & corporate mail, plus how to fix refunds, rewards and order problems fast.
Dunkin’ customer service is easier to reach than most people expect. The trick is matching your issue to the right channel. You might need a refund on a mobile order, want to file a complaint about a store, have a question about Dunkin’ Rewards, or just need the Dunkin’ Donuts phone number. This guide walks through every official way to get help and which one is fastest. This is an independent information site, not Dunkin’ itself: we point you to Dunkin’s own support channels and recommend confirming any phone number, address or form on the official contact page at dunkindonuts.com/contact before you rely on it.

Quick answer
Fastest routes: use the Dunkin’ app for order, refund and rewards issues; call Guest Care at 1-800-859-5339 for complaints and general questions (hours vary); or use the online form at dunkindonuts.com/en/contact-us. For a problem at one specific store, talk to that location directly. These details are publicly listed, so verify them on the official site.
How to Contact Dunkin’ Customer Service
Dunkin’ handles support through a national Guest Care team plus several self-service channels, and the right one depends on how urgent your issue is and whether it belongs to one store or the company as a whole. Order, refund and rewards questions are usually solved fastest inside the Dunkin’ app; complaints and general questions go to Guest Care by phone or the online form; and anything tied to a single location is best raised with that store. The table below maps each method to what it does best.
| Method | Details | Best for |
|---|---|---|
| Dunkin’ app | In-app Help, order history, refunds & Dunkin’ Rewards | Order issues, refunds, points |
| Guest Care phone | 1-800-859-5339 (hours vary) | Complaints & general questions |
| Online contact form | dunkindonuts.com/en/contact-us | Detailed, non-urgent feedback |
| Social media | @dunkin on X, Facebook & Instagram | Quick public questions |
| Corporate mail | 130 Royall Street, Canton, MA 02021 | Formal written letters |
| Your local store | Speak to the store team or manager | Store-specific problems |

A quick word on accuracy: because Dunkin’ is franchised and its site changes, we list only publicly available contact details and always recommend you confirm them on Dunkin’s official contact page. We do not publish private email addresses or store phone numbers that Dunkin’ has not made public.
Dunkin’ Guest Care Phone Number

The Dunkin’ Guest Care line is commonly listed as 1-800-859-5339. It is the number to call for complaints, compliments, general questions and help that isn’t tied to a live mobile order, such as feedback about a visit, a question about a promotion, or a follow-up on an issue you already reported. Hours are not published as a fixed, chain-wide schedule and can change, so treat this as a business-hours line rather than a 24/7 hotline, and verify the current number on the official site before calling.
Have your details ready before you dial: the store location, the date and time of your visit, your receipt or order number, and a short description of what happened. That lets the Guest Care team log your case and route it to the right franchisee quickly. Never read out full card numbers or passwords over the phone, since legitimate support will not ask for them.
Dunkin’ Contact Form & Email
For non-urgent feedback in writing, Dunkin’s official online contact form at dunkindonuts.com/en/contact-us is the primary channel. You choose a topic (such as an in-store experience, the app, rewards or a product), add the store and visit details, and submit your message; Dunkin’ then follows up by email. The form is the cleanest way to create a written record of a complaint or a detailed piece of feedback.
Dunkin’ does not advertise a single public customer-service email address, so the contact form is the intended email route: it collects your address and replies to it directly. We won’t invent an email here; if you see one quoted elsewhere, confirm it on the official site first. For anything about placing or fixing an order, the Dunkin’ app is faster than the form.
Dunkin’ App Support: Orders, Refunds & Rewards

The Dunkin’ app is the single most useful support tool for anything transactional. Your full order history lives there, so a wrong, missing or unsatisfactory mobile order can be reported and refunded straight from the order itself, usually without a phone call. The app is also where your Dunkin’ Rewards balance, offers and payment live, which makes it the right place for points and account questions.
Inside the app, look for the Help or account menu to reach order support, manage your profile, and reset a password. If a mobile order charged you but didn’t come through, the app is the quickest fix. For everything the app can do, like mobile ordering, on-the-go pickup and payment, see our Dunkin’ app guide, and for how points work, the Dunkin’ Rewards page.
Dunkin’ Social Media Support
Dunkin’ is active on social media as @dunkin on X (formerly Twitter), Facebook and Instagram. A public post or direct message is a good option for quick questions, general feedback, or when you want a fast acknowledgement, since social teams often reply promptly and can point you to the right channel. For anything involving your order number, receipt or account, expect them to move you to a private message or the contact form so your personal details stay off a public timeline. Confirm the official handle before messaging, since look-alike accounts exist.
Dunkin’ Corporate Mailing Address
For formal written correspondence, Dunkin’s corporate mailing address is commonly listed as Dunkin’, 130 Royall Street, Canton, MA 02021. Mail is the slowest channel and is best reserved for formal letters, legal notices or documented complaints rather than everyday questions. For those, the app, phone and form are far quicker. As with every detail on this page, this address is publicly listed; verify it on the official site before sending anything important.
Common Issues & How to Resolve Them
Most Dunkin’ support requests fall into a handful of categories. Here are the practical steps for the four most common, in the order that usually resolves them fastest.
Wrong or missing order (and refunds)
- Start in the Dunkin’ app: open your order history, select the order, and use the help option to report it and request a refund on a mobile order.
- If you paid in store or the app option isn’t available, call Guest Care at 1-800-859-5339 with your receipt and store details.
- For a delivery order placed through DoorDash, Grubhub or Uber Eats, request the refund in that app first, since it processed the payment.
- Keep your receipt or order number, it speeds up every refund.
Gift card problems
- Check the balance and register the card in the Dunkin’ app or on dunkindonuts.com so it’s protected.
- For a lost, stolen or damaged registered card, contact Guest Care through the online form with the card number.
- If a newly bought physical card won’t activate, the store where you bought it can usually sort it out fastest.
Missing Dunkin’ Rewards points
- Confirm the order was placed through, or scanned with, your Dunkin’ Rewards account, points only post to a linked account.
- Missing points often appear within a few days; if they don’t, report it through the app or Guest Care with your receipt.
- See the Dunkin’ Rewards guide for how earning and redeeming works.
App login or account trouble
- Use “Forgot password” on the login screen to reset your account by email.
- Update the app, or delete and reinstall it, if it crashes or won’t scan at the register.
- Still stuck? Contact Guest Care and mention the email on your account, never share your password.
For Store-Specific Problems, Contact the Location
Because nearly every Dunkin’ is independently owned and operated, many issues, like a rude visit, a cleanliness concern, wrong hours, or a one-off order mistake, are resolved fastest by the individual store or its franchisee, not corporate. Politely asking to speak with the shift lead or manager at the location often fixes the problem on the spot, and corporate Guest Care will usually route a store complaint back to that same franchisee anyway.
Not sure which location you visited, or need its details? Find and confirm the exact store on our Dunkin’ near me page, then raise the issue with that store directly. Planning your next order while you’re at it? Browse the full Dunkin’ menu with prices, or if you’re job-hunting rather than complaining, see Dunkin’ careers.
Always verify official details
Phone numbers, addresses and forms change. Everything on this page is publicly listed for convenience, but Dunkin’s official contact page at dunkindonuts.com/contact is the source of truth. Confirm there before you call, write or send anything important.
Frequently Asked Questions
What is Dunkin's customer service number?
Dunkin’ Guest Care is commonly listed at 1-800-859-5339 for complaints, general questions and feedback. Hours vary and are not published as a fixed schedule, so treat it as a business-hours line and confirm the current number on Dunkin’s official contact page.
How do I contact Dunkin' customer service?
Use the Dunkin’ app for order, refund and rewards issues; call Guest Care at 1-800-859-5339 for complaints and general questions; or fill out the online form at dunkindonuts.com/en/contact-us. You can also reach @dunkin on social media, or write to the corporate address in Canton, MA.
How do I file a complaint with Dunkin'?
For a written complaint, use the online contact form at dunkindonuts.com/en/contact-us or call Guest Care at 1-800-859-5339 with your store location, visit date and receipt details. For a problem at one specific store, asking to speak with the manager there is often the fastest fix.
How do I get a refund from Dunkin'?
For a mobile order, open the Dunkin’ app, find the order in your history, and use the help option to report it and request a refund. If you paid in store, call Guest Care with your receipt. Delivery orders should be refunded through DoorDash, Grubhub or Uber Eats, which took payment.
How do I report a problem with my Dunkin' order?
Report a mobile order straight from the Dunkin’ app’s order history using the help option. For an in-store order, keep your receipt and speak to the store or call Guest Care at 1-800-859-5339. Having the store, time and order number ready helps them resolve it quickly.
How do I contact Dunkin' about rewards?
Dunkin’ Rewards is managed in the Dunkin’ app, where you can see your points, offers and account. For missing points, report it in the app or to Guest Care with your receipt. Points only post to a linked account, so make sure orders are placed through or scanned with your rewards account.
What is Dunkin's corporate address?
Dunkin’s corporate mailing address is commonly listed as Dunkin’, 130 Royall Street, Canton, MA 02021. Mail is best for formal letters or documented complaints; for faster help use the app, Guest Care phone line or online contact form. Verify the address on the official site first.