Call Before You Dig, Inc. (CBYD) is a state regulated, non-profit organization comprised of all public utilities and municipalities in Connecticut. Public Act No. 87-71 and Section 16-345-3 of the Regulations of Connecticut State Agencies requires all owners and operators of underground utility facilities to register with the Call Before You Dig central clearinghouse.

The purpose of CBYD is to function as a statewide, one-call notification system that provides excavators and the general public with the ability to inform multiple owners and operators of underground facilities of proposed excavation, demolition or blasting. This Call Before You Dig Membership Package includes:

For new membership or updates to existing membership details, please contact:

 This email address is being protected from spambots. You need JavaScript enabled to view it. 


Member Services Manager Teresa Teneyck: This email address is being protected from spambots. You need JavaScript enabled to view it. 


 If you are a utility member and wish to opt-out of receiving automated calls from the CBYD center after-hours for Emergency tickets, please fill out the form linked below:

Opt-Out of Receiving Calls from CBYD Center After Hours 



New Member Registration Form:

Provides us with your company's contact information, method of receiving notifications from CBYD and the number of miles of underground facilities that you are registering.


If you are an Existing CBYD Member Utility and wish to update your information, please fill in this form: 

This form can be submitted any time if changes or updates to your utility's contact or locate request information are needed. 

CBYD Annual Member Update Form 2024


Billing Rates

Explains the different types of fees for membership and services provided by CBYD. These rates are reviewed and approved by the State of Connecticut Public Utilities Regulatory Authority on an annual basis.


For instructions on submitting service territory data

Specifications for GIS/GPS Digital Data PDF Authorization Form & Guideline for Marking Maps (PDF)


How to submit service territory data (GIS) updates:

Please use the form linked below and attach your data files to the form for processing.

CBYD AOI Data Update Form