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It was the only new area code created in Illinois between 1947 and the 1989 creation of area code 708. On October 24, 2021, area code 309 was transitioned to ten-digit dialing, despite not being part of an overlay complex, in which multiple area codes are assigned to a numbering plan area. The area code had telephone numbers assigned for the ...
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 state, respectively. [ 1 ] In 1950, the boundaries of the numbering plan area were redrawn to produce a division of the northern and central parts along a north–south ...
In 1957, area code 815 was split for the assignment of area code 309 to western central Illinois. No further changes took place for 33 years. In 1989, area code 708 was created for all of the suburbs in the Chicago metropolitan area while the city of Chicago kept the original 312. Area codes 847 (northern suburbs) and 630 (western suburbs) were ...
According to the United States Census Bureau, the city has a total area of 4.8 square miles (12 km 2), of which 99.83% is land and 0.17% is water. The unincorporated community of Napa Junction is adjacent to the city. On August 24, 2014, at 3:20 a.m., the area was struck by a magnitude 6.0 earthquake centered 3.7 miles (6.0 km) northwest of the ...
The 469th area code in the NANPA; 925: California (inland regions of the East Bay: Livermore, Concord, Pleasant Hill, Walnut Creek, Martinez, Pleasanton, and Dublin, just east of the hills that ring San Francisco Bay) March 14, 1998: split of 510; 926: not in use; available for geographic assignment 927: not in use; available for geographic ...
On January 25, 1997, area code 310 was split, creating area code 562 for the southeast portion of Los Angeles County and a large portion of Orange County. Area code 424 was added to the remaining numbering plan area on July 26, 2006, in an overlay plan , the first in California.
Though school hours in California might range from about 7 a.m. to 4 p.m., Olsen said drivers should still be cautious when passing by a school zone because after-school programs can last until 6 p.m.
707 was the last of California's thirteen area codes with only 0 or 1 in middle position, the others being 310, 510, 818 and 909, all of which, in addition to 619, were introduced decades after 707's debut) to require relief from a "new format" area code (those with 2–8 as their middle digit, which were introduced beginning in 1995 when the ...