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Payment Portal Support
For help logging in, making a payment, or using an automated service
(855) 270-3592
customerservice@firstbilling.com
Customer Service Hours
Mon-Fri: 8:00 AM - 6:00 PM
Eastern Time
Account Support
For utility-related problems or questions about your invoices
(281) 290-6500 or (855) 290-6371
info
@mdswater.com
Customer Service Hours
Monday - Friday:
8:30 AM - 4:30 PM CST
FOR 24 HOUR WATER AND SEWER EMERGENCIESCALL (281) 290-6503
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