customer care center > questions > billing questions
billing questions?
1. How do I contact an account representative?
3. Will I be charged extra if my payment is late?
4. Why isn’t my most recent payment reflected on this month’s invoice?
5. Why did I receive an invoice for service when I paid your technician when he was here?
6. Why am I billed a month in advance?
7. Why am I not receiving an invoice?
8. Why am I charged for a permit fee?
9. Why hasn’t my auto-payment been taken and applied to my account?
1. How do I contact an account representative?
Call 866.593.3485 or 800.621.9310.![]()
2. Can I pay my bill online?
Yes. Click here to open our Interface Payment Center to pay your bill safely and securely online.![]()
3. Will I be charged extra if my payment is late?
A 1.5% late fee will be assessed if payment is not received within 20 days of the due date.![]()
4.Why isn’t my most recent payment reflected on this month’s invoice?
In all probability your payment reached our bank after the present invoice was generated. Simply remit payment for the present month.![]()
5. Why did I receive an invoice for service when I paid your technician when he was here?
Your payment reached our bank after the present invoice was generated. Disregard the portion you have already paid.![]()
6. Why am I billed a month in advance?
That is the billing procedure of Interface and its associated companies.![]()
7. Why am I not receiving an invoice?
Chances are you are on Direct Pay or we have the wrong billing address. Contact an account representative to check.![]()
8. Why am I charged for a permit fee?
Some municipalities require all security companies to collect alarm permit fees from their residents and remit the to the city just like states require companies to collect sales tax.![]()
9. Why hasn’t my auto-payment been taken and applied to my account?
This can happen when your check or credit card is declined or your credit card has expired. Contact an account representative for details.![]()

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