area code until beyond 2050. Service area The 215/267/445 area codes serve all or part of five counties in Pennsylvania. Berks County (extreme eastern portion) Bucks County (all but northeastern portion, which is served by area codes 610, 484, and 835) Lehigh County (extreme southern portion) Montgomery County (northern and eastern area, rest of county served by area codes 610, 484, and 835) Philadelphia County (all) Places with over 30,000 inhabitants: Abington Bensalem Bristol Cheltenham Falls Lower Makefield Northampton Philadelphia Warminster See also List of Pennsylvania area codes List of NANP area codes References External links List of Pennsylvania area codes 215 215 Philadelphia Telecommunications-related introductions in 1947 Telecommunications-related introductions in 1997