As a consumer, you have the right to shop for the lowest available mortgage rate, and you can do it without fear of harming your score. (themortgagereports.com)
You did not ask for this inquiry, and you are not applying for credit, so these inquiries do not harm your score. (complexsearch.com)
Though the increase may boost your credit score in the long run, regular demands for a limit increase can potentially harm your score. (creditscrubs.com)