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587-920-1275 607-201-2838 855-971-1190
269-332-9224 971-313-8338 623-239-1367
720-474-9731 805-703-3847 877-753-7323

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Index - Area Code 312 - Illinois

Prefix 312-267 - CHICGOZN01, IL (AMERITECH ILLINOIS)

NPA-NXX-X Location Phone Company
312-267-0XXX CHICGOZN01, IL LEVEL 3 COMMUNICATIONS, LLC - IL
312-267-1XXX CHICGOZN01, IL LEVEL 3 COMMUNICATIONS, LLC - IL
312-267-2XXX CHICGOZN01, IL LEVEL 3 COMMUNICATIONS, LLC - IL
312-267-3XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-267-4XXX CHICGOZN01, IL GLOBALCOM, INC.-IL
312-267-5XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-267-6XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-267-7XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-267-8XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-267-9XXX CHICGOZN01, IL NEXTEL COMMUNICATIONS, INC.