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In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes : 213 , 415 , and 916 , for the southern, central, and northern parts of the ...
Area codes 510 and 341 are telephone area codes in the North American Numbering Plan (NANP) serving much of the East Bay in the U.S. state of California. They cover parts of Contra Costa County and western Alameda County, including the city of Oakland, but excluding Dublin, Livermore, Pleasanton, and Sunol. Area code 510 was established on ...
The Oakland Hills neighborhoods comprise the highest elevations within the city's land area, following the alignment of the hills and the central section of the Hayward Fault Zone. The area includes all of Oakland lying east of State Route 13 and east of I-580 south of its junction with Route 13.
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
ZIP codes [9] 94533–94535. Area code ... Area code: 707: FIPS code: 06-23182: ... Website: www.fairfield.ca.gov: Fairfield is a city in and the county seat of ...
Downtown and West Oakland are located entirely in the flatlands, while North and East Oakland incorporate lower hills and flatlands neighborhoods. This hills/flatlands division extends beyond Oakland's borders into neighboring cities in the East Bay's urban core such as Berkeley , Hayward , San Leandro , and Richmond .
Montclair is located along the western slope of the Oakland Hills from a valley formed by the Hayward Fault to the upper ridge of the hills. Although there is no formal definition of the neighborhood, the general boundaries are Highway 24 to the north, Joaquin Miller Road to the south, the city of Piedmont to the west and the Contra Costa ...
The greater Oakland area [specify] has the fifth largest cluster of "elite zip codes" ranked by the number of households with the highest combination of income and education. [105] 37.9% of residents over 25 years of age have bachelor's degree or higher. [106]