Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 758

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-758 A Silver Run MD BLTQMD01AMD  965H FRACTEL LLC 238      
667-758 4 Silver Run MD   624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-758 5 Silver Run MD   566J RADIANTIQ LLC 238   2021-05-07   
667-758 6 Silver Run MD BLTQMD01AMD  965H FRACTEL LLC 238   2020-09-12   
667-758 7 Silver Run MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
667-758 8 Silver Run MD   876D ONVOY, LLC - MD 238   2021-03-04   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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