I've had people request my personal cell and I never give it out. I've got a work phone and a work email and if you can't get me at those you probably shouldn't be talking to me. I have spent Christmas eve's driving back to the office because someone gave out my cell number and an issue that really wasn't an issue was made out to be life threatening. Never again.
When guys say "just text me that information" sorry, I can email it I can't text it. Actually I did one time a few months ago, I texted the information, and immediately blocked the number. He called me back on my work phone and that was that.