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Help With ZIP Codes
To provide you with the best experience possible and ensure we are presenting the correct information to you, our website requires customers enter a ZIP code for their service address.
Example ZIP codes from across our service territory are provided below. You can also visit the U.S. Postal Service's website to look-up a specific ZIP code.
- Connecticut – Electric & Gas: 06901
- Connecticut – Electric Only: 06101
- Connecticut – Gas Only: 06859
- New Hampshire – Electric: 03101
- Eastern Massachusetts – Electric & Gas: 02090
- Eastern Massachusetts – Electric Only: 02115
- Eastern Massachusetts – Gas Only: 01603
- Western Massachusetts – Electric: 01101