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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) 800

CityChicago
CountyCook
CarrierPeerless Network Of Illinois Llc - Il
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Wireless

(312) 802

CityElgin
CountyKane
CarrierCellco Partnership Dba Verizon Wireless - Il
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Landline

(312) 803

CityElk Grove Village
CountyCook
CarrierMci Worldcom Communications Inc. - Il
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Wireless

(312) 805

CityElgin
CountyKane
CarrierCellco Partnership Dba Verizon Wireless - Il
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Wireless

(312) 806

CityWillowbrook
CountyDuPage
CarrierNew Cingular Wireless Pcs Llc - Il
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