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Area Code Lookup

Area Code 312 Phone Lookup

Illinois, United States. Explore phone prefixes, caller activity, exchange details, and community reports connected to this area code.

687prefix records
58lookup pages
312area code

Phone Prefixes in This Area Code

Each prefix groups related phone numbers by exchange, location, carrier, and line type.

Landline

(312) 470

CityBensenville
CountyDuPage
CarrierMcimetro Access Transmission Services Llc
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Wireless

(312) 476

CityChicago
CountyCook
CarrierUnited States Cellular Corp. - Illinois
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Landline

(312) 478

CityChicago
CountyCook
CarrierCibolo Creek Ventures Llc Dba Routepoint Comm Il
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Wireless

(312) 480

CityWillowbrook
CountyDuPage
CarrierNew Cingular Wireless Pcs Llc - Il
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