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How to cancel Washington Suburban Sanitary Commission

Another number to reach the Washington Suburban Sanitary Commission is 1-800-634-8400. Please have your account number ready to ease the verification process for cancelling your account.

To cancel over the phone, call: 301-206-4001

The Washington Suburban Sanitary Commission (WSSC) is a nonprofit organization that provides safe drinking water and wastewater treatment for Montgomery and Prince George’s Counties in Maryland.

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