All area codes

312 area code

312 Phone Numbers for Sale

Browse and buy available 312 phone numbers associated with downtown Chicago. Compare memorable patterns and one-time listed prices. 1,055 312 numbers are currently available from $49 to $4,999 (median $49), including 179 vanity-word and 105 lucky-number numbers.

  • Area code 312 is associated with Illinois
  • Time zone: Central Time
  • Cities describe numbering-plan coverage, not an Exclusive Digits office
  • Delivered by email after payment with the account number and transfer PIN the carrier asks for
  • Portable to Verizon, AT&T, T-Mobile and all major US carriers
ChicagoHinsdaleLa GrangeNorthbrookRoselleWheeling

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Area-code profile

About the 312 area code

Location
Cook County, IL
Time zone
Central Time
History
In service since 1947, one of the original North American area codes
Overlays
872 serves the same area as 312
Dialing
Local calls are dialed with 1 + 10 digits
Prefixes
799 exchange prefixes in use, held by 39 carriers
Map of the 312 area codeShaded area shows where 312 numbers are rated, with neighboring area codes outlined around it.708773Chicago
Approximate 312 coverage from U.S. Census ZIP code areas and NANPA rate centers.

Cities and communities in 312

Chicago

ZIP codes in the 312 area code

14 ZIP code areas. Area codes follow telephone exchange boundaries rather than ZIP code lines, so ZIP codes near the edge can also be served by a neighboring area code.

Cook County, IL (14)

60601, 60602, 60603, 60604, 60605, 60606, 60607, 60608, 60609, 60611, 60616, 60653, 60654, 60661

Area codes that share 312’s area

872

Neighboring area codes

708773

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Vanity phone numbersBrowse numbers that spell usable words.Repeating numbersCompare recognizable rhythms and repeated digits.Round thousandsFind clean endings such as 3000 and 7000.All number patternsEvery recognizable digit pattern we categorize.Numbers by area codeStart with a local market or recognizable code.Numbers by stateBrowse every area code associated with a state.Numbers by industryExplore words and formats suited to a business type.Inventory insightsSee aggregate catalog depth and pricing statistics.212 market reportUse citable 212 catalog counts, price bands, and monthly archives.Buying guidesHow buying, transferring, and choosing a number works.Number toolsCheck patterns and convert vanity words before you buy.