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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
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  5. Gas - Connecticut

Gas Supplier Resources in Connecticut

Gas Supplier Information

Reference material, rates and tariffs, contact information, forms and more for gas suppliers in Connecticut.

Nominations

Eversource's nominations processing center for Connecticut to enter new nominations, view scheduled nominations and delivers and more.

Supplier Usage History

Registered gas suppliers in Connecticut can obtain usage history.

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Approved regulatory documents reflecting Eversource tariffs, riders and adjustments applicable to retail gas service.

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Forecast and verified effective heating degree day (EHDD) information.

Notices

Important notices to suppliers pertaining to our gas business in Connecticut.

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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
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