Below is the list of Iserv's dialup access numbers in the area code you selected. If you can make a local call to any of the following numbers, you should be able to use Iserv Internet service without incurring long-distance charges from your phone company. City Number Local Calling Area Detroit Zone 1 (313) 672-7477 Detroit - All Areas Detroit Zone 2 (313) 453-7477 Center Line, Detroit - All Areas, Roseville Detroit Zone 6 (313) 625-7477 Detroit - All Areas, Royal Oak, Southfield