The 840 area code is a relatively new addition to Southern California’s telecommunications landscape. It was introduced in 2021 as an overlay to the existing 909 area code, which was nearing exhaustion due to the increasing demand for phone numbers in the region.
The 840 area code covers the same geographic area as the 909 area code, which includes southwestern San Bernardino County, eastern Los Angeles County, and small portions of Orange and Riverside Counties. This region encompasses a diverse range of communities, from urban centers like San Bernardino and Rancho Cucamonga to suburban areas like Chino Hills and Diamond Bar.
The implementation of the 840 area code as an overlay allows both codes to coexist within the same region. This means that new phone numbers can be assigned with either the 840 or 909 area code, depending on availability. This approach maximizes the utilization of available phone numbers and avoids the need for disruptive area code splits, which can cause confusion and inconvenience for residents and businesses.
The introduction of the 840 area code also led to a change in dialing habits for the region. Ten-digit dialing became mandatory for all calls within the 840 and 909 area codes, including local calls. This means that callers must dial the area code along with the seven-digit phone number, even for calls within the same area code.
The 840 area code represents more than just a new set of numbers; it is a testament to Southern California’s continued growth and development. The region’s thriving economy, diverse population, and increasing reliance on mobile devices have led to a surge in demand for phone numbers. The 840 area code ensures that there will be enough phone numbers to meet this demand in the foreseeable future.
While the addition of a new area code may require some adjustment for residents and businesses, it is a necessary step to ensure the continued availability of phone numbers and the smooth functioning of the telecommunications network.
The 840 area code is a symbol of progress and innovation in Southern California. It represents the region’s ability to adapt to change and embrace new technologies to meet the demands of the 21st century.
As Southern California continues to grow and evolve, the 840 area code will play an essential role in meeting the communication needs of the region. It will continue to connect people and businesses, fostering economic activity, social interaction, and cultural exchange.