Welcome to Quantum
We have designed our site to help you find information quickly. Our portal, news, weather, and other useful information is just a click away. Customize your personal start page by selecting  My QIS.

Now Available – Quantum Telephone Service
We are extremely pleased to announce that we are now able to offer business phone service throughout the metropolitan Baltimore area, as well as residential phone service in Westminster, Hampstead and Manchester, Maryland. Our flat rate residential and business plans, and deeply discounted long distance rates will provide significant savings for our business and residential customers.

Accelerated Dial-Up!
Dial-up customers can surf the web up to five times faster, at no additional charge, with our QSpeed Accel service. To get started with QSpeed Accel, just click here to download our free software.

Spam Filtering
We have taken extensive measures to protect your inbox from spam. Home users, click on Settings and select our Spam Settings control panel for more information. Business users, click here for the latest information about our commercial spam and virus filtering services. Click additional information,  or try our Spam Calculator to estimate the impact of spam on your business.

About Quantum
We offer a wide variety of Internet and telephone services, including 56K dialup accounts, broadband residential and business DSL service, dedicated T-3 circuits, web hosting and design, and residential or business telephone service. We provide dial-up access in over 200 cities and have been in business since 1995. Our dedication to service and support makes us the best choice for all of your Internet and telephone needs.