About Us

Knowledge, Experience & Service

Excel Communications is owned and operated by Frank Costantino, a tenured telecommunications professionals with more than two decades of experience. A self-proclaimed technology geek, Frank formed Excel Communications based on the belief that small and medium sized businesses in need of communications products and services deserve honest advice and superior customer service.

Excel’s approach is always to listen first so we understand your business needs for now and for the future, so we can recommend with confidence. We never push a “canned solution,” but rather we customize the right solution. Customer satisfaction and longevity is always our top priority, and we prove it with every single interaction and service call.

Excel is a veteran-owned small business.



“Capitol Boiler Works, Inc. had Frank Costantino, Dan, John, and the rest of the Excel Communications staff install our Zultys system in a co-location facility over a year ago. One word to describe the service, the system, and overall experience. FANTASTIC! I highly recommend the company and the people.”

~ Dwight Sheppard

“Excel Communications had already installed the phone system when I arrived here at Avalere Health. Although I did not make the decision to use Excel, I can honestly say that it is one of the best decisions that Avalere has made. They are a great vendor and a great partner. I am very proud to give Excel my highest recommendation.”

~ Jim Carroll

“These guys are simply the best! Extremely knowledgeable, responsive, and easy to work with. They deliver exactly what they promised and when they promised it. I highly recommend working this EXCEL-lent Team.”

~ Geoff

“Excel-Communications has done a great job assisting our company of over 75 employees with 3 locations to maintain our phone system and we look forward to updating in the near future.”

~ Gayle Edwards

“I think you guys are doing a wonderful job. If someone asks about a phone system, I will certainly recommend you guys. Thanks for all your hard work!”

~ Jennifer Vasovich

“Excel-Communications and its’ employees have made a sincere and dedicated commitment in putting their clients first. Your hard work, dedication, and sincerity to your clients are sure to offer referrals of your establishment worldwide. Thank you.”

~ Robin

Frank Costantino


Frank has had a diverse and extensive career in the telecommunications industry, starting in 1994. His journey began with National Telephone, following eight years of experience with UPS and an honorable discharge from the United States Marine Corps. Frank’s career path includes significant roles at several key organizations:

  • National Telephone: This was Frank’s entry point into the telecommunications field.
  • Black Box Network Services and Telecommunications Systems Management: Frank served as a field engineer here, gaining valuable technical and on-the-ground experience.
  • ComTech Systems: In his most recent role, Frank worked as a service manager, demonstrating his progression into more managerial and leadership positions within the industry.

Frank’s background showcases a blend of technical expertise, hands-on experience, and leadership skills, underpinned by his early career foundation in logistics and military service.

Our team of experts in Washington DC, Maryland, Virginia, and West Virginia are dedicated to providing tailored communication solutions that will keep your business connected and efficient. From VoIP to data services, trust Excel Communications for all your telecommunications needs. Contact us today to learn more!


Physcial Location:

205 Van Buren, Suite 120
Herndon, VA 20170

Remittance & Mailing Address :
PO Box 375
Harpers Ferry, WV 25425

Also Serving Maryland, Washington DC & West Virginia