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This is a list of the area codes in the state of Illinois and its numbering plan areas in the North American Numbering Plan.. All NPAs within Illinois. 217/447: Central Illinois, including the region running west from the Illinois-Indiana border through Danville, Effingham, Champaign–Urbana, Decatur, Springfield, Quincy until Illinois' western border with Missouri and Iowa
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.
Area codes 630 and 331 are telephone area codes in the North American Numbering Plan (NANP) for portions of Chicago's near and far western suburbs, including the majority of DuPage County, Illinois. To the northwest, the numbering plan area (NPA) also includes a small portion of Cook County , including parts of Schaumburg , Streamwood and ...
Pages in category "Area codes in Illinois" The following 12 pages are in this category, out of 12 total. ... Category: Area codes in Illinois.
Customers receiving the 730 area code will be required to dial 10 digits — the area code and phone number — for all local calls, just as customers with telephone numbers with the 618 area code ...
In the original configuration of the first nationwide telephone numbering plan, the numbering plan area 217 included most of Metro East, the Illinois side of the St. Louis metropolitan area. In 1951, a slight boundary shift reassigned most of the southern portion of Metro East to area code 618 , leaving the northern portion in 217.
To find out the 25 poorest and richest area codes, GOBankingRates used the 2015 Census Community Survey, the most recent data available, to rank cities across the nation in order of mean household ...
Here's a list of scammer phone numbers and area codes to avoid answering if you don't know exactly who's calling. ... 888 numbers indicate it is a toll-free call. Calls made to toll-free numbers ...