The 215 area code is located in the state of Pennsylvania, and according to Intelius data, covers roughly 666,196 phone numbers Philadelphia is the largest city within this area code with a population of about 1,547,671 Have you received a call from a number with a 215 area code?Phone numbers in the 215 area code can be found in 38 cities or locations Those phone numbers can be found in the following cities or locations Ambler, Bensalem, Bristol, Carversville, Doylestown, Dublin, Fairless Hills, Flourtown, Fort Washington, Furlong, Green Lane, Harleysville, Hatboro, Huntingdon Valley, Jenkintown, King Of Prussia,25/5/21 · 215 area code Location Philadelphia, Abington, Ambler, Bedminster, Bensalem, Blooming Glen, Blue Bell, Bristol, Bryn Athyn, Buckingham, Carversville, Chalfont, Cheltenham, Colmar, Croydon, Danboro, Doylestown, Dresher, Dublin, Earlington, East Greenville, Elkins Park, Fairless Hills, Feasterville Trevose, Flourtown, Forest Grove, Fort Washington, Fountainville, Phill