Does anyone familiar with the service know how the Google Voice number you're assigned works with long distance providers? I've been using my cell phone as my

Does anyone familiar with the service know how the Google Voice number you're assigned works with long distance providers? I've been using my cell phone as my primary phone for a long time now and get free (domestic) long distance but if someone who pays extra for long distance tries to call my Google Voice number would it be considered long distance even if they're local to me?