I'm not sure there is any advantage in publishing this in a remote town rather than NYC and SF.

Any tech savvy person in NYC or SF would not be scouring newspapers for tech jobs and even if they are, they are most likely to be H1B or Greencard themselves.

A small town newspaper may actually make people apply to those roles.

But either way, people who likely to come through these ads can be easily disqualified just by adding a few technology stacks