Area Code Atlas

NPA 500 designated for personal communications services

Area code 500 was designated in 1993 as a non-geographic area code for personal communications services in the United States, allowing customers to retain a telephone number when relocating between numbering plan areas.

NANP-ASSIGNMENT OF SERVICE ACCESS CODE (SAC) 500 FOR PCS

AT&T announces 500 area code service

AT&T announced the 500 area code service in July 1994, introducing a non-geographic code for personal communications services. The service allowed customers to reserve 500 numbers and was designed for highly mobile users, with service expected to begin in the fall of 1994.

AT&T announces 500 area code service

On July 8, 1994, AT&T announced the launch of its 500 area code service, allowing customers to carry their personal phone numbers anywhere. The service allowed users to reserve 500 numbers in advance of the expected fall 1994 activation.

AT&T announces 500 area code service

AT&T announced the new 500 area code service on July 8, 1994, offering customers the ability to carry their personal phone numbers anywhere in the United States. The service allowed reservations to begin the following week, with activation expected in the fall of 1994.

NPA 500 service begins operation

The 500 area code service began operation in the fall of 1994, enabling personal communications services that allowed users to retain their number regardless of location. This marked the first activation of a 5XX non-geographic code in the United States. The service was launched for follow-me numbers, allowing highly mobile customers to carry their personal phone numbers anywhere in the United States and Canada. This service, introduced by AT&T as 'True Connections,' marked the operational debut of the 500 code for personal communications services.

NPA 500 service begins operation

The 500 area code service began operation in the fall of 1994, enabling personal mobility and 'follow-me' numbers for subscribers across the United States.

NPA 500 introduced for personal communications services

Area code 500 was designated in 1993 as a non-geographic area code for personal communications services in the United States, allowing number portability across NPA areas. It was further introduced into the North American Numbering Plan in 1995 to support PCS services such as AT&T True Connections.

NPA 500 activated for personal communications services

Area code 500 was introduced into service in 1995 in the United States for personal communications services, supporting a 'follow-me' number concept and enabling number portability across regions.

AT&T True Connections service discontinued

AT&T discontinued its True Connections service using area code 500 in 2000 following FCC approval to cease providing the service, though the 500 code remained assigned for PCS.

AT&T discontinues True Connections service on NPA 500

AT&T discontinued the True Connections service using area code 500 in 2000 following FCC approval to cease providing the service. The 500 code continued to be used for other purposes.

NPA 533 assigned to relieve 500

NANPA assigned area code 533 on January 3, 2008, to provide relief for the 500 code, which was nearing exhaustion due to high demand for personal communications services. Planning Letter 372 announced that area code 533 would be used to relieve the 500 NPA due to the projected exhaustion of available 500 NXXs. As of January 2008, only 77 500-NXXs remained available.

NPA 533 assigned to relieve 500 resource

Area code 533 was assigned in May 2008 to relieve the 500 NPA, which was nearing exhaustion due to high demand for personal communications services and non-geographic applications.

NPA 533 activated for PCS

Area code 533 was activated on September 26, 2009, as a non-geographic code for personal communications services (PCS). The code was introduced to provide additional numbering resources for PCS and machine-to-machine applications, supplementing the 500 series.

NPA 445 and 566 activated for PCS

Area codes 445 and 566 were activated in April 2012 for non-geographic services related to machine-to-machine applications. The activation of 445 complemented the relief provided by 566 following the exhaustion of previous NPAs.

NPA 710 activated for PCS

Area code 710 was activated in September 2015 for non-geographic services, including machine-to-machine applications.

NPA 538 pending activation

NPA 538 is planned for activation in 2025 as part of NANPA's expansion of non-geographic codes for machine-to-machine applications.