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This is a list of future area codes in the North American Numbering Plan (NANP) ... California: 2025 – 3rd Qtr March 26, 2025 [6] 457: 318: Louisiana: 2026 – 1st Qtr
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 ...
one of the few non-contiguous area codes in North America; 707: California (Vallejo, Crescent City, Eureka, Redwoods National Park, Santa Rosa, Ukiah, and most of northwestern California) 1959: split of 415; 2023: to be overlaid by 369; 708: Illinois (western and southern portions of suburban Cook County and far eastern sections of Will County ...
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.
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In 2006, the Illinois Commerce Commission approved an all-services overlay for the numbering plan area, adding new area code 447 in 2021. [ 3 ] [ 4 ] As of March 27, 2021, new central office codes are available for activation by service providers.
All NPAs within Illinois. Area code 872 is a telephone area code in the North American Numbering Plan for Chicago in the U.S. state of Illinois. It is an overlay code for a numbering plan area that comprises those of area codes 312 and 773. The overlay commenced service on November 7, 2009. [1]
The map shows the average timeframe the coldest air of the season arrives. In any given year, the actual coldest day for your area may occur before or after the time shown on the map.