|312 Area Code 312 - Map, Time zone with Zip codes by Area Code Lookup USA|
|SL No.||City||County||State||Country||Zip Code|
|11||Fort Dearborn||Cook County||312||USA||60611|
|12||Ontario Street||Cook County||312||USA||60611|
|15||Twenty Second Street||Cook County||312||USA||60616|
|18||Merchandise Mart||Cook County||312||USA||60654|
This area code is allocated for the state of Illinois, 312 was the area code among 86 number plan areas in 1947. Being a densely populated state Illinois has various area codes working together. So now the question comes what is area code 312, to answer this we have the detailed description of area code 312 belowHow to call Chicago in the US from any country
The area code 312 was brought into effect on January 1947. Chicago originally used 312 area code which was one of the original area codes allotted in 1947 further this area code was overlaid by 773 and 872.Where is 312 Area Code and City using this dialling code?
Area code 312 now serves the downtown area, or inside The Loop. It majorly covers the Cook County. The major area covered by this area code includes downtown Chicago. Area code 312 covers 1 county in Illinois.About Area Code, Dialling Code 312, USA?
An area code is a special and unique code given to all the cities. These codes need to be added before the telephone number, otherwise the call won’t be initiated. An area code helps determine a person that where is he/she getting a call from. Every city in the United States has its own unique area code. An area code consists of three unique digits. So if you are searching for “what is my area code” “where is area code” or “Area Code list” or “reverse phone lookup” in 312 USA
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Area code or Dialing code is the 3 digit code=Area Code 312, which is used before any phone number and it varies from area to area. There might be 1 or more area codes in an area or 1 area code can be used for more than 1 city. As there are so many area codes, it is hard to remember What Area Code is 312 or Where is Area Code 312. To find the specific results for Area Codes, you need to be specific with you searches=312 Area Codes and 312 Area Code Lookup and to get specific results related to maps of any area. Again be specific with your search=Area Code 312 Map,312 Area Code Map or312 Area Code Map.
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