Search results
Results from the WOW.Com Content Network
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Area codes 408 and 669 are telephone area codes in the North American Numbering Plan (NANP) in the U.S. state of California. The numbering plan area comprises most of Santa Clara County and Northern Santa Cruz County, and includes Gilroy, Morgan Hill, Saratoga, Los Gatos, Monte Sereno, Milpitas, Sunnyvale, Santa Clara, Cupertino, Campbell, and ...
San Jose, Sunnyvale, Gilroy, Morgan Hill, and Los Gatos; most of Santa Clara County. Overlay with 408, started service on November 20, 2012 707: Santa Rosa, Eureka, Sebastopol, Petaluma, Napa, Vallejo, Fairfield; northwestern California, including the northern Bay Area, the Redwood Empire and the Wine Country. Split from 916 on March 1, 1959 714
California (Monterey County, including Salinas and Monterey); San Benito County (including Hollister); and Santa Cruz County (including Santa Cruz and Watsonville) July 11, 1998: split of 408; 832: Texas (Houston Metropolitan Area and suburbs) January 16, 1999: overlaid on 713 and 281; 2014: overlaid by 346; 833: toll-free telephone service ...
Santa Clara County San Ysidro: 1 San Diego County: 92154 73 Saranap: 1 Contra Costa County: 94596 Saratoga: 1 Santa Clara County: 95070 Saratoga Hills: 1 Los Angeles County: 91311 Saratoga Springs: 1 Lake County Sargent 1 Santa Clara County Sather Gate: 1 Alameda County: 94704 Saticoy: 1 Ventura County: 93004 Sattley: 1 Sierra County: 96124 ...
Until the 1950s, a typical telephone number in the United States and many other countries consisted of a telephone exchange name and a four- or five-digit subscriber number. The first two or three letters of the exchange name translated into digits given by a mapping typically displayed on the telephone's rotary dial by grouping the letters ...
The Bay Area consists of nine counties (Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma) and 101 municipalities. [5] One, San Francisco, is a consolidated city–county .
A telephone exchange, also known as a telephone switch or central office, is a crucial component in the public switched telephone network (PSTN) or large enterprise telecommunications systems. It facilitates the interconnection of telephone subscriber lines or digital system virtual circuits, enabling telephone calls between subscribers.