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 0 Silver Run MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-758 1 Silver Run MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-06   
667-758 2 Silver Run MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-758 3 Silver Run MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-758 4 Silver Run MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-758 6 Silver Run MD BLTQMD01AMD  965H FRACTEL, LLC 238   2020-09-12   
667-758 8 Silver Run MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-758 9 Silver Run MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2024-05-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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