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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 312-253 - CHICGOZN01, IL (ALLEGIANCE TELECOM, INC. - IL)

NPA-NXX-X Location Phone Company
312-253-0XXX CHICGOZN01, IL ALLEGIANCE TELECOM, INC. - IL
312-253-1XXX CHICGOZN01, IL ALLEGIANCE TELECOM, INC. - IL
312-253-2XXX CHICGOZN01, IL ALLEGIANCE TELECOM, INC. - IL
312-253-3XXX CHICGOZN01, IL PAETEC COMMUNICATIONS, INC. - IL
312-253-4XXX CHICGOZN01, IL ALLEGIANCE TELECOM, INC. - IL
312-253-5XXX CHICGOZN01, IL TELEPORT COMMUNICATIONS GROUP - CHICAGO
312-253-6XXX CHICGOZN01, IL TELEPORT COMMUNICATIONS GROUP - CHICAGO
312-253-7XXX CHICGOZN01, IL ALLEGIANCE TELECOM, INC. - IL
312-253-8XXX CHICGOZN01, IL ALLEGIANCE TELECOM, INC. - IL
312-253-9XXX CHICGOZN01, IL ALLEGIANCE TELECOM, INC. - IL