The 920-773 exchange is serviced by the following companies within the ST NAZIANZ ratecenter.
"EASTCOAST TELECOM, INC."
Call are routed trough OCN 914 and CLLI - STNZWIXARS1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in SAINT NAZIANZ.
Who's number is 920-773 Numbers?