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