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Account Number (as it appears on your statement)
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Zip Code (must match MAILING Zip Code)
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Profile Information
User Name (6-50 characters long)
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User name must be 6-50 characters long.
Email Address
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Email address must be of the form 'name.1-a@website.com'.
Profile Password
Password
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Confirm Password
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9 characters
1 number
1 lowercase
1 uppercase
1 special character
Payment Portal Support
For help logging in, making a payment, or using an automated service
(855)270-3592
customerservice
@firstbilling.com
Customer Service Hours
Monday - Friday:
7:00AM - 5:00PM CT
Account Support
For utility-related problems or questions about your invoices
Account Questions?
customercare@sienv.com
(832)490-1600
Customer Service Hours
Monday - Friday: 8:00AM - 5:00PM CT
FOR 24 HOUR WATER AND SEWER EMERGENCIESCALL (832) 490-1601
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