Contact CORE

Contact Us

Customer Service Icon
Member Services
(7-5:30 M-F)
(800) 332-9540
(303) 688-3100

Outage Icon
Outage Center (24/7)
(833) CORE-FIX (267-3349)
or Report Online

Payments Icon
(no correspondence)
P.O. Box 6437
Carol Stream, IL 60197-6437

Email Icon
Member Contact
Do not report outages via email

Postal Mail Icon
Postal Mail
(no payments)
P.O. Drawer A
Sedalia, CO 80135-0220

Media Inquiries Icon
Media Inquiries
Cindy Newsome
Director, Strategic Planning and Communications
(720) 733-5842

Please fill out the form below and we'll get back to you.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
This field is for validation purposes and should be left unchanged.