National Grid (formerly KeySpan) Phone Number

800-233-5325
Customer Service
Average hold time
21 mins waitavoid wait
Call center hours
24 hours, 7 daysOpen
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Compared to other National Grid (formerly KeySpan) support
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""anonymousa yr ago""~Daphnea yr ago""~NationalGrid Customera yr ago

More National Grid (formerly KeySpan) 800 numbers and support

This is the best of 5 ways to contact National Grid (formerly KeySpan) according to 115029 GetHuman users. Below you can compare the ways to contact National Grid (formerly KeySpan) customer service.
718-643-4050
Customer Service
Online Help
Customer Service
@nationalgridus
Customer Service
800-930-5003
Customer Service
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