<Ul> <Li> Berks County (extreme eastern portion) </Li> <Li> Bucks County (all but northeastern portion, which is served by 610 / 484) </Li> <Li> Lehigh County (extreme southern portion) </Li> <Li> Montgomery County (northern and eastern area, rest of county served by 610 / 484) </Li> <Li> Philadelphia County (all) </Li> </Ul> <Li> Berks County (extreme eastern portion) </Li> <Li> Bucks County (all but northeastern portion, which is served by 610 / 484) </Li> <Li> Lehigh County (extreme southern portion) </Li>

De donde es el area 215 en usa