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Business Telecommunications

1201 Connecticut Ave NW
Washington, DC 20036


Longfellow Building

Built in 1940 and renovated in 1989, the Longfellow Building is a signature property in the Central Business District of Washington, DC. A walker and transit rider’s paradise, 1201 Connecticut Avenue has over 150,000 square feet of office space and over 12,000 square feet of retail at street level.


Atlantech services at this location include fiber Internet connectivity, cloud-based phone service, and top-tier hosting and data center services, all on our own network.

Services Available at
1201 Connecticut Ave, NW

Fiber Internet

Fiber Internet


100Mbps for $600/mo
  • 50Mbps to 10Gbps
  • Guaranteed Bandwidth
  • Primary and Secondary DNS
  • Fully Managed and Monitored
  • Single or Multiple Sites
Phone Service

Phone Service


Up to $500 Off Your First Invoice
  • Business Telephony Features
  • Mobile Unified Communications
  • Integrated Call Center
  • Built-In Video Features
  • Easy to Understand Billing
Hosting & Data Center

Hosting Services

Rockville & Silver Spring Data Centers

Up to $500 Off Your First Invoice
  • Colocation
  • Private Cage Space
  • Redundant Power & Cooling
  • Internet Bandwidth Included
  • 24/7 Physical Security

Atlantech Online Exclusively Services
Business & Government