Area code 312 - Wikipedia
WebArea code 312 is a telephone area code in the North American Numbering Plan for the city of Chicago, including downtown, the Chicago Loop, and its immediate environs. The numbering plan area is completely surrounded by area …
312 Area Code - Map, Phone Lookup, Time Zone | Wirefly
WebArea code 312 serves the state of Illinois. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 312 is a General Purpose Code. 312 service area does overlap with 872 area codes. Dialing pattern for local calls within the same NPA (area code) is 1+10D.
312 Area Code Phone Numbers - Whitepages
WebArea Code 312 has 700 prefixes. Browse area code 312 phone numbers, prefixes and exchanges. The 312 area code serves Chicago, Willowbrook, Elgin, Arlington Heights, Naperville, covering 23 ZIP codes in 4 counties.
312 area code — information, time zone, map
Web2 days ago · 312 is an area code located in the state of Illinois, US. The largest city it serves is Chicago. Location, time zone and map of the 312 area code. Local time. 6:34:59 PM, Saturday 27, April 2024 CDT. Time difference to GMT/UTC. Daylight Saving Time 2024 (Summer Time) DST starts on Sunday 10 March 2024, 02:00.
312 Area Code - Location, Time, Map, Cities and Census Data - ZIP …
WebApr 1, 2024 · 312 Area Code. Download Area Code Database. Load 312 Area Code Map. Important 312 Area Code Information. Area Code 312 is located in Illinois. It covers 16 cities, including Chicago, Cicero, Schaumburg, Glenview, and Buffalo Grove. It also covers 3 counties, including Cook County, Lake County, Dupage County.
312 Area Code - Reverse Phone Lookup in IL - USPhoneBook
WebZip Codes in 312. 312 area code – search to find any full phone number. Report includes demographic information for 312 in Chicago, IL. No credit card required!
Area code 312 - Simple English Wikipedia, the free encyclopedia
WebArea code 312 is an area code that is part of Illinois. It was one of the first area codes created in 1947. It initially covered the entire northeastern portion of Illinois, but after it was split by 708 in 1989, 630, 847, and 773, all in 1996, it now covers only downtown Chicago, with 708 and 773 covering the rest of Chicago.
312 Area Code - Number Location, Cities, Map & Time
WebArea code 312 is in Illinois (IL), USA serving the city of Chicago (downtown area). In service since January 01, 1947, area code 312 is the parent Numbering Plan Area in overlay complex 312/872 (overlaying NPAs cover the same area). The rest of the city of Chicago is covered by these overlaying area codes: 773/872.
Area Code 312 - Illinois - Zipdatamaps
WebList of Counties in Area Code 312. Cook County. '; Profile and Interactive Map for Area Code 312 in Illinois - April 2024.
Area Code 312
WebArea Code 312 Covers These States. Illinois (IL) Area Code 312 covers 3 Counties. Area Code 312 covers 16 Cities. Area Code 312 Has 800 Exchanges. * Records indicated …
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