Current Time in Plano: Sunday, September 20, 2020 6:08:49 PM
SIMS Regular Working Hours are Monday to Friday 9:00 AM to 5:00 PM Central Time (US and Canada).
The days marked in red are when the office is closed.
The calendar above shows that SIMS is closed on that particular day.
Customers can still call the after-hours number.
Keep in mind that the after-hours calls are reserved for emergencies.
All other calls should be during the normal office hours.
After hours calls are charged a separate fee unless that customer is under 24 hour maintenance.