9. Building Business Credit: Business Phone Number October 20, 2009 By Marco Carbajo Please Log in to view this content. Related PostsHow to Build Business Credit in 30 DaysMicro Business Loans:Introducing the Small Business Micro Loan Credit CardNew D&B Viability Rating™: To Do or Not to Do Business with YouHow To Build Business Credit With Bad Personal Credit Share this:TwitterGoogleFacebookLinkedInPinterest