Southern california area code map. San francisco san rafael. The first table below shows the most populated cities in california with the area codes listed next to them. Each of these area codes are listed below.
This is a list of area codes in california with service territory and installation dates. The northern san joaquin valley and the central sierra nevada range. From wikipedia the free encyclopedia map of california numbering plan areas blue and border states.
Area codes selected cities. There are 33 active area codes in the state of california. 209 stockton modesto merced turlock.
A new area code is added to a geographic area when there are no more three digit prefixes available in the existing area code. Area codes 840 and 909 are california telephone area codes that cover far eastern los angeles county and southwestern san bernardino county. In recent years growing consumer demand for advanced technologies and smart devices has led to increasing consumption of telephone numbers.
Area codes 840 and 909 are shown in red. The 909 area code was split from area code 714 on november 14 1992. There are two lists that wirefly provides for the area codes in california.