The 509-872 exchange is serviced by the following companies within the GARRISON ratecenter.
"FRONTIER COMUNICATIONS NORTHWEST, INC. - ID"
Call are routed trough OCN 4321 and CLLI - MSCWIDXXDS1 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in MOSCOW.
Who's number is 509-872 Numbers?