Area Code 509-221 Map and Location
Phone number details for 509-221 numbers
The 509-221 exchange is serviced by the following companies within the KENNEWICK ratecenter.
FRONTIER COMMUNICATIONS NORTHWEST INC. - WA
Call are routed trough OCN 4324 and CLLI - KNWCWAXADS2 (Common Language Location Identifier Code) and Point of Interface (POI) switch which is located in HIGHLANDS 5ESS.
Working 509-221-xxxx Local Exchanges
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