Area code 925 is a California telephone area code that serves the eastern part of the San Francisco Bay Area. It was created in 1998 as a result of a split from area code 510. The area code 925 region includes several cities and communities in Contra Costa County and parts of Alameda County. Today, area code 925 remains an essential part of the region's communication infrastructure, serving a diverse population of over 500,000 residents.
Geographic Location and Cities Served
Area code 925 covers a significant portion of Contra Costa County, including the cities of Concord, Pleasant Hill, Martinez, and Walnut Creek. Additionally, it serves parts of Alameda County, such as Dublin, Livermore, and Pleasanton. The region is known for its scenic beauty, with rolling hills, mountains, and valleys. The area code 925 region is also home to several major employers, including the Lawrence Livermore National Laboratory, the University of California, Lawrence Berkeley National Laboratory, and several major tech companies.
Cities and Communities in Area Code 925
The following cities and communities are served by area code 925:
- Concord
- Pleasant Hill
- Martinez
- Walnut Creek
- Dublin
- Livermore
- Pleasanton
- San Ramon
- Danville
- Orinda
- Clayton
- La Porte
| City | Population (2020) |
|---|---|
| Concord | 49,000 |
| Walnut Creek | 68,000 |
| Livermore | 89,000 |
| Pleasanton | 79,000 |
| Martinez | 38,000 |
Key Points
- Area code 925 serves the eastern part of the San Francisco Bay Area.
- The region includes several cities and communities in Contra Costa County and parts of Alameda County.
- Area code 925 was created in 1998 as a result of a split from area code 510.
- The region is home to several major employers, including the Lawrence Livermore National Laboratory and several tech companies.
- Area code 925 serves a diverse population of over 500,000 residents.
History and Development
The creation of area code 925 was a result of the growing demand for telephone services in the San Francisco Bay Area. Prior to 1998, the region was served by area code 510, which was one of the original area codes established in 1947. However, as the population and economy of the region grew, the need for a separate area code became apparent. Area code 925 was created to serve the eastern part of the San Francisco Bay Area, including Contra Costa County and parts of Alameda County.
Telecommunications Infrastructure
The area code 925 region has a well-developed telecommunications infrastructure, with several major carriers providing services to residents and businesses. The region is served by a mix of wireline, wireless, and fiber-optic networks, providing high-speed internet and data services to customers. The region is also home to several data centers and network interconnection facilities, making it an important hub for telecommunications and data services.
What cities are served by area code 925?
+Area code 925 serves several cities and communities in Contra Costa County and parts of Alameda County, including Concord, Pleasant Hill, Martinez, Walnut Creek, Dublin, Livermore, and Pleasanton.
When was area code 925 created?
+Area code 925 was created in 1998 as a result of a split from area code 510.
What is the population of the area code 925 region?
+The area code 925 region serves a diverse population of over 500,000 residents.
In conclusion, area code 925 plays a vital role in connecting the communities of Contra Costa County and parts of Alameda County. The region’s diverse economy, scenic beauty, and growing population make it an essential part of the San Francisco Bay Area.
