Whitehouse TX Scam

I got a blue postcard, from Whitehouse, TX 75791. First-class, pre-sorted mail. From "Package Services". It said:

Call Toll-Free to schedule pickup: (888) 685-2652

Package Number: 1151-3012-4873 Track:03674-11

Hours: M-F 8:AM-8:PM (CST)
Sat 8:AM-12:PM (CST)

It's a scam. There's no misdelivered package. Rather, they want a chance to get you on the horn to sell you a "vacation package".

But as long as I'm examining this postcard, can they really be serious about CST - Central Standard Time? Are they really boycotting Central Daylight Time? Or, like many people who write CST, do they just mean Central Time?

Also, there is no 12:PM, in any time zone. There's 12 Noon, which I think is what they mean, followed one minute later by 12:01 PM.

Okay, now I've gotten that off my chest,
I think I'll take a rest.