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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.

Wireless

(312) 810

CityWillowbrook
CountyDuPage
CarrierNew Cingular Wireless Pcs Llc - Il
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Wireless

(312) 813

CityWillowbrook
CountyDuPage
CarrierNew Cingular Wireless Pcs Llc - Il
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Wireless

(312) 816

CityWillowbrook
CountyDuPage
CarrierNew Cingular Wireless Pcs Llc - Il
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Landline

(312) 821

CityBensenville
CountyDuPage
CarrierMci Worldcom Communications Inc. - Il
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