610 Area Code
The 610 area code is used by SOME cities and towns in these Counties:
| Berks County | Cities & Towns | ZIP Codes | Features |
| Bucks County | Cities & Towns | ZIP Codes | Features |
| Carbon County | Cities & Towns | ZIP Codes | Features |
| Chester County | Cities & Towns | ZIP Codes | Features |
| Delaware County | Cities & Towns | ZIP Codes | Features |
| Lancaster County | Cities & Towns | ZIP Codes | Features |
| Lebanon County | Cities & Towns | ZIP Codes | Features |
| Lehigh County | Cities & Towns | ZIP Codes | Features |
| Monroe County | Cities & Towns | ZIP Codes | Features |
| Montgomery County | Cities & Towns | ZIP Codes | Features |
| Northampton County | Cities & Towns | ZIP Codes | Features |
| Schuylkill County | Cities & Towns | ZIP Codes | Features |
