CoreSite's robust ecosystem provides an interconnected platform to address your IT strategy needs in and across our eight edge markets.

Go back

CoreSite availability


Transport Services


Managed & Professional

Additional resources


New York, NY, USA

Year founded


Blog post


ZenFi Networks is an innovative communications infrastructure company focused on enabling fiber optic network, network edge colocation and wireless siting solutions in the NY-NJ metro region. As the area’s most experienced communications infrastructure builders, ZenFi Networks has an unparalleled reputation for efficiently architecting and delivering solutions that enable Mobile Network Operators, Wholesale Telecommunications Providers and Large Enterprise clients. With its purpose-built C-RAN enabling infrastructure, ZenFi Networks is at the forefront of network architecture innovation and a critical part of the mobile and telecommunications ecosystems in one of the biggest, most important markets in the world.

Our Service Offerings

Wireless Sitting

Pole Top Leasing

Street furniture sitting 



Dark Fiber

1200+ Route Miles of fiber throughout NY/NJ

SMF meets ITU-G.652D specs

1728 Fiber Count in backbone


Network EdgeColocation

47+ on-net colocation facilities

Long Island City facility serving all major carriers

1/2 rack to full cabinet solutions for traffic aggregation& base station hoteling


Lit Services

Ethernet – 1-10G solutions with protected & unprotectedconfigs and 24x7x365 equipment monitoring

Wave – Private waves, fully managed optical spans

Internet – 100 Mbps to 10G with choice of IP providers


ZenFi Networks

Fill in the form below and we’ll connect you with

ZenFi Networks

The information submitted on this form shall be subject to CoreSite's Privacy Policy, provided, however, by submitting information in this form, you are providing CoreSite with the additional right to collect such information for tracking purposes and to share such information with the company you identify in the form.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.