Columbia Retail Services
PO BOX 509
Portsmouth, NH 03802
To enroll in E.S.P., call toll-free,
1-866-590-2953, 24 hours a day. Remember, you can also enroll
online!
For service,
call toll-free, 1-866-590-2953, 24 hours a day.
To report a gas leak, call your local utility
company, using a phone away from your home, 24 hours a day.
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