I'd called it a question of the week!

I guess it must be a Vegas thing!

The FSE website that Ross linked has these addresses on one side of the street:
Golden Gate, 1 Fremont St.
Golden Nugget, 129 East Fremont St.
4 Queens, 202 Fremont St.
Fitzgeralds, 301 Fremont St.

On the opposite side of the street are:
Las Vegas Club, 18 East Fremont St.
Horseshoe, 128 East Fremont St.
Fremont, 200 East Fremont St.

Only in Vegas would there be an even number on the odd side of the street! Some of 'em use Fremont, others use East Fremont...sigh...just to confuse the tourists....