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508503xxx Exchanges for MA

Exchange Circuit Company Zip Code
5085030xxxLandlineCTC Communications Corp. - MA02360
5085031xxxLandlineLevel 3 Communications, LLC - MA02360
5085032xxxLandlineCTC Communications Corp. - MA02360
5085036xxxLandlineMegaclec, Inc.-MA02360
5085037xxxLandlineLevel 3 Communications, LLC - MA02360
5085038xxxLandlineBroadwing Level 3 - MA02360