National non-exclusive - Stocked by distributors and resold to end users via commercial locksmiths; All Level 1 locksmiths have the same sidebit millings.
The part number that you provided 35-157 468 EP Primus Num: 002729 is a
Level 3G geographical restricted key blank whereSchlage assigns an exclusive side bitting based on the first two digits of the end user’s zip code.
I have had people in the past purchase the level 1 key blank not realizing the several different levels manufactured by Schlage. A full explanation of these different levels and the primus system can be reviewed in the manufacturer's catalog as seen here starting on page 14:
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We can most certainly supply you with your Level 3G key blanks and a letter of authorization would be necessary to provide at the time of order.
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will work for cutting Schlage (even though the deg for Schlage is 100 and the 23MC is 90, they say "we have never had anyone tell us they had a problem cutting Schlage with it")