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Area code 925. Coordinates: 37.9°N 122°W. Numbering plan areas in California (blue) and border states. Area code 925 is shown in red. Area code 925 is a telephone area code in the North American Numbering Plan for a northern part of the U.S. state of California. It was created in an area code split of area code 510 in 1998.
2 days ago · 925. Area Code. Area code 925 is assigned for use in California since Mar 14, 1998. This area code originated from the 510 area code previously by means of area code split or overlay. View all phone prefixes used in area code 925 or other area codes in California . Included with the location of each prefix are the phone companies / service ...
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Mar 1, 2018 · On March 14th, 1998 it went into service. 925 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D. ZIP Codes Served By 925 Area Code
Area Code 925 History: 03/14/1998. Area code 925 was officially put into service. Area code 925 was created from a split of area code 510. Counties in California within area code 925 include: Alameda County, and Contra Costa County. Major cities or places in California within area code 925 include: Area code 925 serves portions of the East Bay ...
1993: split to create 905. 2001: overlaid by 647. 2013: overlaid by 437. 2025: overlaid by 942. area code 387 is reserved as a fifth code for the region. 417. Missouri ( Springfield, Joplin, Branson, Lamar, Lebanon, and most of southwestern Missouri) 1950. created from parts of the area codes 314 and 816.
It was created from area code 510. Where is area code 925 Area code 925 is located in California and covers Concord, Antioch, Livermore, San Ramon, and Pleasanton.
