Area Code 609: Coverage, Cities, and More - area-code -

Frequently Asked Questions

Atlantic City, New Jersey, is in area code 609, which primarily covers the central and southern parts of the state. This area code is the largest numbering plan area in New Jersey and includes other significant cities like Trenton, the state capital, and Princeton.
To dial a 609 number from a different area code, use 1+10-digit dialing (1-609-XXX-XXXX). This format is required for toll calls outside area code 609 and ensures proper connection within the North American Numbering Plan (NANP).
Area code 640 was introduced as an overlay to 609 in 2018 due to the projected exhaustion of 609 numbers. The increasing demand for phone numbers, driven by the proliferation of cell phones and other devices, necessitated the addition of 640 to serve the same geographic area as 609.
The standard dialing procedure for local calls within area code 609 is 10-digit dialing (609-XXX-XXXX). While 1+10-digit dialing is permissible, it's considered best practice to use the 10-digit format for local calls.
The North American Numbering Plan (NANP) is a standardized numbering system used for telephone services in 20 North American countries, including the U.S. and Canada. Area code 609, like all area codes, operates within the NANP framework, ensuring consistent communication across regions.
Area code 609 covers the central and southern parts of New Jersey. It includes major cities such as Atlantic City, Trenton (the state capital), and Princeton, covering a diverse range of communities from coastal towns to urban centers.
Area code 609 was created in 1958 as a split from the original 201 area code, which initially covered all of New Jersey. This split was necessary to accommodate the growing demand for telephone numbers in the southern part of the state.
The article doesn't specify a full list of counties, but it mentions Mercer County (location of Trenton and Hamilton) as being within the 609 area code. Atlantic County (location of Atlantic City) is also implied. It's the largest numbering plan area in New Jersey, suggesting it covers multiple counties.
Originally part of area code 201, 609 was created in 1958. Later, in 1999, area code 856 was split from 609. Most recently, 640 was added as an overlay in 2018 to address increasing demand, demonstrating its adaptation to growing communication needs.
While Atlantic City's casino and tourism industries are prominent, the 609 area also includes Trenton's government services, Princeton's education and research sector, and other diverse economic activities like those in Burlington and Hamilton.
The article mentions Verizon as having a significant landline presence, while major wireless carriers such as Cingular, Sprint, and T-Mobile also offer service within the 609 area code.
The article notes the introduction of the 640 overlay suggests increasing demand, so while availability has been sufficient historically, it's advised to check with local providers for the latest information on 609 number availability.
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