Area Code Atlas

NPA 732 split from 908

Area code 732 was created on January 1, 1997, by splitting from the eastern portion of area code 908, serving central-eastern New Jersey including parts of Middlesex County.

NPA 732 split from 908

Area code 732 was created on June 1, 1997, by splitting from area code 908, covering southeastern New Jersey including Middlesex, Somerset, Union, Monmouth, and northern Ocean counties. The split addressed number exhaustion in the region.

Permissive dialing period for NPAs 973 and 732 begins

On June 1, 1997, permissive dialing began for the new area codes 973 and 732 in New Jersey. During this period, callers could use either the old or new area codes until mandatory dialing was implemented.

Mandatory use of 973 and 732 begins

Mandatory dialing of the new area codes 973 and 732 began in November 1997, ending the permissive dialing period that allowed use of either the old or new codes. Callers were required to use the correct area code for all calls within the affected regions.

Mandatory dialing for NPAs 732 and 973

Mandatory dialing of the area codes 732 and 973 began on December 6, 1997, ending the permissive period and requiring callers to use the correct area code for all calls in the affected regions.

Jeopardy Conservation Procedures Announced for New Jersey NPA 732

NPA 848 overlays 732

Area code 848 was assigned in 2001 as an overlay for the 732 region in central New Jersey, providing additional numbering resources as the pool of 732 numbers neared exhaustion.

NPA 848 overlay for 732

Area code 848 was introduced on December 1, 2001, as an overlay for the 732 region in central New Jersey to address number exhaustion. This overlay required mandatory 10-digit dialing starting December 1, 2001.

Mandatory 10-digit dialing in 732/848 region

Ten-digit dialing became mandatory in the 732/848 area on December 1, 2001, requiring callers to use the full area code for all local calls within the overlay region.

Mandatory 10-digit dialing for 732/848 overlay

Ten-digit dialing became mandatory on December 1, 2001, in northern and central New Jersey with the implementation of overlays 551, 862, and 848. All customers in these regions were required to dial the full area code for local calls.

NPA 848 overlay introduced for 732

Area code 848 was introduced as an overlay to the 732 numbering plan area to provide relief from numbering exhaustion. The overlay was announced in 2001 and introduced the following year.