Peggy, your question lacks details needed for a good answer. The HQs is open 24/7 to those with access. There are a variety of shops working different schedules, but you'd get the most overlap with the hours you found. You'll want to verify that this is the correct building you need and which group can assist. Enter through the main doors on the frontage road and tell security who you need to see.
I found a number and called. 8 - 3:30. Thanks everyone.
They are super close standard business hours 😂9 to 3. Or something close to that
You'll need to find the Personel Office for that info. I'm fairly certain that this is only for the main gate. Most businesses do not respond to Google questions, so we have to help each other out. 😁
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