What is Area codes 609 and 640?
'''Area codes 609 and 640''' are area codes for [[New Jersey]]. Area code 609 was created as a split from 201 in 1958. It initially covered the entire southern parts of the state. After being split by 856 in 1999, it now covers its state capital [[Trenton, New Jersey|Trenton]], [[Princeton, New Jersey|Princeton]], as well as other parts of southern [[Middlesex County, New Jersey|Middlesex County]], including [[South Brunswick, New Jersey|South Brunswick]]. It was overlaid by 640 on September 17, 2018.<ref>{{Cite web|title=Area Code 640 - Details, official location, official service date, history and time zone|url=https://www.areacodehelp.com/where/area_code_640.shtml|access-date=2022-10-10|website=www.areacodehelp.com|language=en}}</ref> ==References== {{reflist}} [[Category:Area codes in New Jersey|609]] {{US-stub}}