ADP Corporate Phone Number

In order to contact ADP Corporate Office (Headquarters), you need to call the following Phone Number: 973-974-5000

To get in touch with the ADP Corporate Office and main headquarters, you can contact the company directly by phone. The official ADP Corporate Phone Number is 973-974-5000, which connects callers with the central corporate offices responsible for overseeing companywide operations and executive departments.

Calling this number allows individuals, business clients, and partners to reach ADP’s primary administrative hub, where requests are typically routed to the appropriate department. This may include corporate communications, human resources, payroll services administration, compliance support, technology operations, or executive-level inquiries. The headquarters team is equipped to assist with general corporate matters, escalated service issues, verification requests, and official correspondence related to ADP’s products and services.

For the most efficient experience, it is recommended to call during standard business hours, when corporate departments are fully staffed and able to direct calls accurately. The ADP Corporate Office phone line serves as the main point of contact for formal inquiries that cannot be resolved through local offices, online portals, or standard customer service channels.

ADP Jobs Website

ADP Human Resources Phone Number

What are ADP Office Hours? ADP Office Hours

ADP office hours generally begin at 10:00am and continue until 05:00pm, during which time the company’s corporate offices are fully operational. Throughout these hours, ADP maintains active staffing across its core corporate departments to ensure smooth daily operations and timely assistance for clients, partners, and internal teams.

During regular office hours, departments such as finance, marketing, sales, customer support, customer service, legal, human resources, payroll administration, compliance, and technology are available and working collaboratively. These hours are designed to accommodate business clients who require direct communication regarding payroll services, workforce management solutions, account inquiries, billing questions, contractual matters, and escalated support needs.

Contacting ADP within official office hours helps ensure that calls and requests are handled efficiently and routed to the appropriate department without delays. Corporate representatives are available to provide guidance, process requests, and address time-sensitive matters that require direct attention from ADP’s headquarters or specialized teams. Calling outside of these hours may result in limited availability or redirection to automated systems, making standard business hours the best time to reach live corporate assistance.

When Was ADP Founded?

ADP is based in the state of New Jersey and was founded in 1949, marking the beginning of a long-standing presence in the business services and workforce solutions industry. Since its establishment, ADP has grown steadily from a small operation into one of the most recognized providers of payroll, human capital management, and business outsourcing services in the United States.

Over the decades, ADP has expanded its capabilities, infrastructure, and national footprint to support organizations of all sizes. Today, the company employs over 60,000 people across its offices and operational centers throughout the nation. These employees represent a wide range of professional disciplines, including payroll specialists, technology and IT professionals, data analysts, compliance experts, customer service representatives, sales teams, human resources professionals, and corporate leadership.

ADP’s long history reflects its ability to adapt to changing workforce needs, evolving regulations, and advancements in technology. With a strong foundation established in 1949 and a large nationwide workforce, ADP continues to play a central role in supporting businesses with employment-related services across multiple industries.

Contact-Human-Resources.com is a leading online resource created to provide clear, reliable, and up-to-date information about ADP and many other well-known companies. The website is built to help employees, job seekers, and business professionals quickly find helpful details related to corporate offices, human resources departments, office hours, contact information, and general company background.

Our goal is to present information in a simple and accessible way, allowing visitors to save time when looking for accurate corporate details. Content is regularly reviewed and updated to reflect changes and ensure visitors have access to the most current information available. In addition to ADP, the site covers a wide range of leading organizations across multiple industries, making it a valuable reference point for corporate contact and HR-related inquiries.

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