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312 Area Code Phone Numbers

312 Area Code has 683 prefixes

PrefixPrimary CityCarrier
312-201ChicagoAmeritech Illinois
312-202ChicagoAmeritech Illinois
312-203WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-204ChicagoAmeritech Illinois
312-205ChicagoAllegiance Telecom, Inc. - Il
312-206WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-207ChicagoAmeritech Illinois
312-208WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-209ElginCellco Partnership Dba Verizon Wireless - Il
312-212ChicagoAmeritech Illinois
312-213WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-214ChicagoAmeritech Illinois
312-215SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-216ChicagoFirst Communications Llc - Il
312-217Arlington HeightsSprint Spectrum L.p.
312-218WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-219ChicagoBandwidth.com Clec, Llc - Il
312-220ChicagoAmeritech Illinois
312-221Arlington HeightsSprint Spectrum L.p.
312-222ChicagoAmeritech Illinois
312-223ChicagoAmeritech Illinois
312-224Arlington HeightsBroadwing Communications, Llc - Il
312-225ChicagoAmeritech Illinois
312-226ChicagoAmeritech Illinois
312-227ChicagoAmeritech Illinois
312-228ChicagoAmeritech Illinois
312-229ChicagoAmeritech Illinois
312-230ChicagoAmeritech Illinois
312-231SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-232ChicagoAmerican Messaging Services, Llc
312-233ChicagoAmeritech Illinois
312-234ChicagoAmeritech Illinois
312-235ChicagoAmeritech Illinois
312-236ChicagoAmeritech Illinois
312-237ElginCellco Partnership Dba Verizon Wireless - Il
312-238Arlington HeightsBroadwing Communications, Llc - Il
312-239ChicagoAt&t Local
312-240ChicagoAmeritech Illinois
312-241WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-242ChicagoTeleport Communications America, Llc - Il
312-243ChicagoAmeritech Illinois
312-244ChicagoAmeritech Illinois
312-245ChicagoAmeritech Illinois
312-246SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-247ChicagoFirst Communications Llc - Il
312-248ChicagoMetro Pcs, Inc.
312-249NapervilleUsa Mobility Wireless, Inc.
312-250NapervilleUsa Mobility Wireless, Inc.
312-251ChicagoAmeritech Illinois
312-252ChicagoAllegiance Telecom, Inc. - Il
312-253ChicagoAllegiance Telecom, Inc. - Il
312-254ChicagoAllegiance Telecom, Inc. - Il
312-255ChicagoAmeritech Illinois
312-256ChicagoAllegiance Telecom, Inc. - Il
312-257ElginCellco Partnership Dba Verizon Wireless - Il
312-258ChicagoAmeritech Illinois
312-259WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-260BensenvilleMcimetro Access Transmission Services Llc
312-261Arlington HeightsBroadwing Communications, Llc - Il
312-262ChicagoAllegiance Telecom, Inc. - Il
312-263ChicagoAmeritech Illinois
312-264Arlington HeightsBroadwing Communications, Llc - Il
312-265Arlington HeightsAccess One, Inc. - Il
312-266ChicagoAmeritech Illinois
312-267ChicagoAmeritech Illinois
312-268Arlington HeightsBroadwing Communications, Llc - Il
312-269ChicagoAmeritech Illinois
312-271NapervilleUsa Mobility Wireless, Inc.
312-272NapervilleUsa Mobility Wireless, Inc.
312-273ElginCellco Partnership Dba Verizon Wireless - Il
312-274ChicagoAmeritech Illinois
312-275ChicagoAllegiance Telecom, Inc. - Il
312-276ChicagoAllegiance Telecom, Inc. - Il
312-277ChicagoAllegiance Telecom, Inc. - Il
312-278Arlington HeightsBroadwing Communications, Llc - Il
312-279BensenvilleMcimetro Access Transmission Services Llc
312-280ChicagoAmeritech Illinois
312-281ChicagoGlobal Crossing Local Services, Inc.-il
312-282WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-283ChicagoGlobal Crossing Local Services, Inc.-il
312-284ChicagoXo Illinois, Inc.
312-285Arlington HeightsSprint Spectrum L.p.
312-286WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-287Arlington HeightsSprint Spectrum L.p.
312-288BensenvilleMcimetro Access Transmission Services Llc
312-289NapervilleUsa Mobility Wireless, Inc.
312-290NapervilleUsa Mobility Wireless, Inc.
312-291ChicagoAmeritech Illinois
312-292ChicagoBandwidth.com Clec, Llc - Il
312-293ChicagoAmeritech Illinois
312-294ChicagoAmeritech Illinois
312-295NapervilleUsa Mobility Wireless, Inc.
312-296Arlington HeightsSprint Spectrum L.p.
312-297ChicagoAmeritech Illinois
312-298ChicagoSigecom, Llc Dba Wow Internet Cable And Phone
312-299NapervilleUsa Mobility Wireless, Inc.
312-300ChicagoNet Talk.com, Inc. - Il
312-301WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-302ChicagoAmeritech Illinois
312-303SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-304WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-305ElginCellco Partnership Dba Verizon Wireless - Il
312-306ChicagoAmeritech Illinois
312-307WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-308ChicagoAmeritech Illinois
312-309ChicagoAmeritech Illinois
312-310ElginCellco Partnership Dba Verizon Wireless - Il
312-314WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-315WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-316WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-317SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-318Hickory HillsCellco Partnership Dba Verizon Wireless - Il
312-320WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-321ChicagoAmeritech Illinois
312-322ChicagoAmeritech Illinois
312-323ChicagoAmerican Messaging Services, Llc
312-324ChicagoLevel 3 Communications, Llc - Il
312-325ChicagoAmeritech Illinois
312-326ChicagoAmeritech Illinois
312-327ChicagoXo Illinois, Inc.
312-328ChicagoAmeritech Illinois
312-329ChicagoAmeritech Illinois
312-330WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-331SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-332ChicagoAmeritech Illinois
312-333ChicagoAmerican Messaging Services, Llc
312-334ChicagoFirst Communications Llc - Il
312-335ChicagoAmeritech Illinois
312-336ChicagoAmeritech Illinois
312-337ChicagoAmeritech Illinois
312-338ChicagoAmeritech Illinois
312-339ElginCellco Partnership Dba Verizon Wireless - Il
312-340WillowbrookT-mobile Usa, Inc.
312-341ChicagoAmeritech Illinois
312-342WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-343ElginCellco Partnership Dba Verizon Wireless - Il
312-344ChicagoAmeritech Illinois
312-345ChicagoAmeritech Illinois
312-346ChicagoAmeritech Illinois
312-347ChicagoAmeritech Illinois
312-348Elk Grove VillageNeutral Tandem-illinois, Llc - Il
312-349NapervilleUsa Mobility Wireless, Inc.
312-350ElginCellco Partnership Dba Verizon Wireless - Il
312-351WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-352WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-353ChicagoAmeritech Illinois
312-354SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-355ChicagoAmeritech Illinois
312-356ChicagoAmeritech Illinois
312-357ChicagoAmeritech Illinois
312-359NapervilleUsa Mobility Wireless, Inc.
312-360ChicagoAmeritech Illinois
312-361ChicagoAmeritech Illinois
312-362ChicagoAmeritech Illinois
312-363ChicagoRcn Telecom Services Of Illinois, Inc. - Il
312-364ChicagoAmeritech Illinois
312-365NapervilleUsa Mobility Wireless, Inc.
312-366WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-367NapervilleUsa Mobility Wireless, Inc.
312-368ChicagoAmeritech Illinois
312-369ChicagoNew Cingular Wireless Pcs, Llc - Il
312-370NapervilleUsa Mobility Wireless, Inc.
312-371Arlington HeightsSprint Spectrum L.p.
312-372ChicagoAmeritech Illinois
312-373Arlington HeightsBroadwing Communications, Llc - Il
312-374ChicagoAmeritech Illinois
312-375ChicagoT-mobile Usa, Inc.
312-376ChicagoCbeyond Communications, Llc - Il
312-377ChicagoXo Illinois, Inc.
312-378NapervilleUsa Mobility Wireless, Inc.
312-379ChicagoOvation Communications Of Illinois, Inc.
312-380ChicagoAmeritech Illinois
312-382ChicagoAmeritech Illinois
312-384ChicagoAmeritech Illinois
312-385ChicagoAmeritech Illinois
312-386ChicagoAmeritech Illinois
312-387NapervilleUsa Mobility Wireless, Inc.
312-388Arlington HeightsSprint Spectrum L.p.
312-389NapervilleUsa Mobility Wireless, Inc.
312-390ChicagoAmerican Messaging Services, Llc
312-391WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-393ChicagoAmerican Messaging Services, Llc
312-394ChicagoAmeritech Illinois
312-395ChicagoAt&t Local
312-396ChicagoAmeritech Illinois
312-397ChicagoAmeritech Illinois
312-398NapervilleUsa Mobility Wireless, Inc.
312-399Arlington HeightsSprint Spectrum L.p.
312-400ChicagoAmerican Messaging Services, Llc
312-401WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-402WillowbrookNew Cingular Wireless Pcs, Llc - Il
312-403Hickory HillsCellco Partnership Dba Verizon Wireless - Il
312-404ChicagoT-mobile Usa, Inc.
312-405ElginCellco Partnership Dba Verizon Wireless - Il
312-406SchaumburgNew Cingular Wireless Pcs, Llc - Il
312-407ChicagoAmeritech Illinois
312-408ChicagoAmeritech Illinois
312-409ChicagoAmeritech Illinois
312-410ChicagoAmeritech Illinois
312-412SchaumburgNew Cingular Wireless Pcs, Llc - Il