Public Utility Commissions (PUCs) in every state control when services may be disconnected. That implies that depending on where you are, the timeframe for service suspension differs.
Accounts that are past due are first suspended, then disconnected. Normally, services that have been suspended are restored 24 hours after the payment has been paid. A technician visit to reactivate your connection may cost money and take longer to complete if your service has been disconnected. In some cases, you may be asked to pay a security deposit to get service re-connected following non-payment.