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: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
564-240 A Silverdale WA SLDLWASIDS0  9638 QWEST CORPORATION 674      
564-240 0 Silverdale WA   318J COMCAST IP PHONE, LLC 674   2020-07-27   
564-240 1 Silverdale WA   9638 QWEST CORPORATION 674   2018-08-16   
564-240 2 Silverdale WA   9638 QWEST CORPORATION 674   2018-08-16   
564-240 3 Silverdale WA   9638 QWEST CORPORATION 674   2018-08-16   
564-240 4 Silverdale WA   9638 QWEST CORPORATION 674   2018-08-16   
564-240 5 Silverdale WA   9638 QWEST CORPORATION 674   2018-08-16   
564-240 6 Silverdale WA   073H TELNYX LLC 674   2018-10-01   
564-240 7 Silverdale WA   624H ONVOY SPECTRUM, LLC 674   2020-07-09   
564-240 8 Silverdale WA   624H ONVOY SPECTRUM, LLC 674   2020-07-09   
564-240 9 Silverdale WA   318J COMCAST IP PHONE, LLC 674   2020-08-25   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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