As of Nov. 1, most employers in New York City must list the salary range on all posted job ads, promotions and transfer opportunities.The law may apply specifically to workers in New York City, but experts say it's likely going to have a big impact for workers nationwide.Job seekers could see if the company they're applying to is hiring for the same role in New York City to figure out what they can expect if they get the job.Ann Cascella, 34, has tried this strategy on her job search for a data analyst role: She looked up job openings in Colorado, to see what they paid for her line of work and experience.For example, take a job opening with Citi for a "corporate functions business manager.""