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408-310-4944 226-909-0542 347-954-5604
918-884-1846 717-736-1868 940-600-9947
970-417-8888 866-222-5832 514-416-6061

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Index - Area Code 312 - Illinois

Prefix 312-920 - CHICGOZN01, IL (AMERITECH ILLINOIS)

NPA-NXX-X Location Phone Company
312-920-0XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-1XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-2XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-3XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-4XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-5XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-6XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-7XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-8XXX CHICGOZN01, IL AMERITECH ILLINOIS
312-920-9XXX CHICGOZN01, IL AMERITECH ILLINOIS