Denny's Headquarters & Office Locations

Restaurant chain. Headquarters: 203 East Main Street P-8-6, Spartanburg, South Carolina 29319-0001, United States.

GraphIQ records this company as acquired.

Headquarters
Spartanburg, SC
Total locations
5
Employees · est. 2026
3,800

Identity graph

Denny's headquarters, locations and relationships

Headquarters203 East Main Street P-8-6, Spartanburg, South Carolina 29319-0001, United StatesOpen in Google Maps
Legal name
DENNY'S CORPORATION
Industry
Restaurants
Founded
1953
Ticker
NASDAQ: DENN

Denny's office locations

5 total
Denny's office locations: headquarters and key locations
CityState / regionCountryType
SpartanburgSouth CarolinaUnited StatesHeadquarters
HenningMinnesotaUnited StatesOffice
Las VegasNevadaUnited StatesOffice
See all 5 locations
Parent company
No parent company recorded in GraphIQ.ai.
Competitors
Denny's competes with 11 organizations in the GraphIQ.ai identity graph.

Verified from public filings, company websites and news · Methodology

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About Denny's

Denny's (NASDAQ: DENN) is headquartered in Spartanburg, South Carolina, United States. Founded in 1953, the company has 5 recorded locations and employs approximately 3,800 people worldwide.

Where is Denny's's main office?

Denny's's main headquarters office is located at 203 East Main Street P-8-6, Spartanburg, South Carolina 29319-0001, United States. This is the company's primary corporate address.

Denny's regional offices

Beyond its headquarters in Spartanburg, Denny's has recorded locations in United States.

Denny's contact information

The main switchboard for Denny's headquarters can be reached at +1 864 597 8000. Official website: dennys.com.

What does Denny's do?

Denny's (also known as Denny's Diner on some locations' signage) is an American table service diner-style restaurant chain. It operates over 1,400 restaurants in the United States, Canada, México, Puerto Rico, and several other international locations.

One entity, every stage

Put Denny's to work across your revenue bowtie

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  1. Target Define the market Build the account list from companies shaped like your best customers, Denny's included. Fingerprint search 
  2. Cover Plan territories Denny's's 5 locations roll up to one account, so it lands in one territory, once. Territory planning 
  3. Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring 
  4. Convert Close on a resolved record Inbound and closed-won attach to one CRM record, with no duplicates to merge. CRM enrichment 
  5. Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer 
  6. Expand Find the next buyer inside Follow subsidiaries and divisions to the next team that can buy. Account expansion 

About the source

What is GraphIQ.ai?

A B2B identity graph. It resolves each organization into one verified entity and maps its parent and subsidiaries, employees, competitors and news signals. Revenue teams use it in the product; AI agents query it through the REST API and MCP server.

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Denny's: frequently asked questions

Where is Denny's headquarters?

203 East Main Street P-8-6, Spartanburg, South Carolina 29319-0001, United States.

What is Denny's's phone number?

+1 864 597 8000 (headquarters).

When was Denny's founded?

1953.

How many employees does Denny's have?

About 3,800, as of October 2026 (GraphIQ.ai estimate).

How many offices does Denny's have?

5 locations, including Henning, Las Vegas.

Is Denny's a public company?

Yes. Denny's trades on NASDAQ under the ticker DENN.

Questions about GraphIQ.ai

Is GraphIQ.ai a list of companies like a spreadsheet?

No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Denny's here is the same Denny's in your CRM, territory plan and agent answers.

Where does this Denny's data come from?

Public filings, company websites and news, resolved to one entity and continuously updated.

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287MOrganizations resolved
393MEmployees
2B+News and events