If you want to avoid dropping your cell phone service on your way to the Inner Harbor to check out the Davis Planetarium, or have more than one bar when you look down to check the score of the Ravens game you may need a cell phone service upgrade. Whether you're taking the kids to the Port Discovery Children's Museum for the afternoon or heading to Guilford to see the Sherwood Gardens' tulips, you expect your phone plan to keep you connected. Whatever the best phone plan in Baltimore means to you — low-cost, unbeatable coverage, or both — Really is here to make switching your cell phone plan easy. Interesting in getting started? Just use the filters to find the match made for you.