Where is Area Code 610?
Area code 610 is found in the US state of Pennsylvania. Primarily servicing the city of Reading (population: 214069), area code 610 covers 12 counties of Pennsylvania.
Located in the Eastern time zone, area code 610 is on the same time as New York, NY.
Area code 610 was brought into effect on January 8, 1994. 610 was split from the parent 215 area code.
Counties in Area Code 610
- Berks,
- Bucks,
- Carbon,
- Chester,
- Delaware,
- Lancaster,
- Lebanon,
- Lehigh,
- Monroe,
- Montgomery,
- Northampton.
Most Populous Cities in Area Code 610
| City | County | City Population |
|---|---|---|
| Reading | Berks | 214,069 |
| Allentown | Lehigh | 168,808 |
| West Chester | Chester | 106,698 |
| Bethlehem | Northampton | 91,389 |
| Norristown | Montgomery | 86,936 |
| Easton | Northampton | 84,132 |
| Coatesville | Chester | 53,148 |
| Downingtown | Chester | 47,708 |
| Pottstown | Montgomery | 46,279 |
| Upper Darby | Delaware | 41,152 |
| Phoenixville | Chester | 40,750 |
| Collegeville | Montgomery | 39,247 |
| Havertown | Delaware | 36,014 |
| Media | Delaware | 35,839 |
| Chester | Delaware | 35,263 |
| Bethlehem | Lehigh | 32,784 |
| Wayne | Delaware | 32,542 |
| Drexel Hill | Delaware | 30,854 |
| Lansdowne | Delaware | 28,179 |
| Whitehall | Lehigh | 27,344 |
| Royersford | Montgomery | 25,810 |
| Malvern | Chester | 25,141 |
| Macungie | Lehigh | 24,729 |
| Springfield | Delaware | 24,551 |
| Nazareth | Northampton | 24,196 |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.