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 Clarkston (248) 913-7477 Clarkston, Commerce, Drayton Plains, Holly, Lake Orion, Milford-White Lake, Ortonville, Oxford, Pontiac Farmington (248) 715-7477 Detroit Area 5, Farmington, Livonia, Northville, Southfield, Walled Lake, West Bloomfield Holly (248) 708-7477 Clarkston, Fenton, Grand Blanc, Holly, Milford-White Lake, Ortonville Milford-White Lake (248) 769-7477 Brighton, Clarkston, Commerce, Drayton Plains, Fenton, Hartland, Holly, Milford-White Lake, Pontiac, South Lyon, Walled Lake Northville (248) 869-7477 Farmington, Livonia, Northville, Plymouth, South Lyon, Walled Lake Ortonville (248) 899-7477 Clarkston, Holly, Ortonville, Oxford, Pontiac Pontiac (248) 751-7477 Auburn Heights, Birmingham, Clarkston, Commerce, Drayton Plains, Lake Orion, Milford-White Lake, Ortonville, Oxford, Pontiac, Rochester, Walled Lake, West Bloomfield Royal Oak (248) 955-7477 Birmingham, Center Line, Detroit Area 3, Detroit Area 4, Royal Oak, Southfield, Troy, Warren South Lyon (248) 493-7477 Ann Arbor, Brighton, Milford-White Lake, Northville, Plymouth, South Lyon, Walled Lake, Whitmore Lake Southfield (248) 485-7477 Birmingham, Detroit Area 4, Detroit Area 5, Farmington, Royal Oak, Southfield, West Bloomfield Troy (248) 498-7477 Auburn Heights, Birmingham, Rochester, Royal Oak, Troy, Utica, Warren