Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 564 [Rate centres in NPA 564] [Dial plan for NPA 564]

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
564-900 A Mount Vernon WA MTVRWAXXQMD  624H ONVOY SPECTRUM, LLC 674   2022-01-24   
564-900 0 Mount Vernon WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2022-03-25   
564-900 1 Mount Vernon WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2022-05-25   
564-900 2 Mount Vernon WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2022-07-25   
564-900 3 Mount Vernon WA   6529 T-MOBILE USA, INC. 674   2022-03-10   
564-900 4 Mount Vernon WA   6529 T-MOBILE USA, INC. 674   2022-03-10   
564-900 5 Mount Vernon WA   6529 T-MOBILE USA, INC. 674   2022-03-10   
564-900 6 Mount Vernon WA   6529 T-MOBILE USA, INC. 674   2022-03-10   
564-900 7 Mount Vernon WA   6529 T-MOBILE USA, INC. 674   2022-03-10   
564-900 8 Mount Vernon WA   6529 T-MOBILE USA, INC. 674   2022-03-10   
564-900 9 Mount Vernon WA MTVRWAXXQMD  624H ONVOY SPECTRUM, LLC 674   2022-01-24   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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