HomeArea CodesCalifornia — 310310-377

☎ 310-377-... serviced by Verizon California Inc.-ca (gte), Rolling Hills, CA

Numbers beginning with 310-377

Area code 310-377 is assigned to Rolling Hills, CA.

Area code 310-377 is assigned to Rolling Hills, CA.


Main city: Rolling Hills
Timezone: Pacific
Phone type: Landline
Operator: Verizon California Inc.-ca (gte)

Rolling Hills, a city in the Palos Verdes Hills, in Los Angeles County, California, United States. As of the 2010 census, the city population was 1,860, down from 1,871 at the 2000 census. According to the 2000 US Census, Rolling Hills is the 21st richest place in the United States (based upon per capita income), and #4 for places with a population of at least 1,000. source

Area code 310 is a California telephone area code that was split from area code 213 on November 2, 1991. Area code 424 is an overlay of 310 that became effective on July 26, 2006. It is the area code that covers West Los Angeles and South Bay areas of Los Angeles County, including Santa Catalina Island (located 26 miles (42 km) south of the mainland portion of Los Angeles County). It also includes a small portion of Ventura County. Area code 424 is the first non-mobile area code overlay in Southern California. Because of this, dialers in the 310 area code are no longer able to dial a 7-digit number even if they are dialing another phone number in the same area code. Until the overlay of area codes 657 and 714 became active in 2008, the 310-424 complex was the only area code overlay in the entire state of California, despite California having more area codes than any other state. source


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Phone number full length is 10 digits: (310) 377-xxxx

International format length is 11 digits: +1 (310) 377-xxxx

Number can be also written as:310-377, +1-310-377, 001310377

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Note: this is not the exact phone location - just showing surroundings of the city, where number is possibly located/registered.