If you're a National Grid customer; beware.  National Grid is urging everyone to be cautious of unknown callers identifying themselves as representatives and asking for personal banking or credit card information.

There have been reports of calls to National Grid customers asking for financial information, or telling customers to obtain money orders, pre-paid cards or other forms of payment to avoid shut-offs.

National Grid may call and request payment information for customers with previous balances, but the company urges anyone who is uncertain about the identify of a caller to verify by hanging up and contacting National Grid at 1-800-642-4272.

Customers who believe they have fallen victim to the scam should immediately contact police.

Learn more at National Grid's website.