Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Mount Savage, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-836 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-836 2 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-836 3 HGTWMD53EMD  516J TON80 COMMUNICATIONS, LLC 240      
240-836 4 HGTWMD534MD  197D VONAGE AMERICA LLC 240      
240-836 5 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-836 6 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-836 8 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-862 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-862 0 HGTWMD530MD  073H TELNYX LLC 240      
240-862 1   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-862 2   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-862 3   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-862 4 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-862 5 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-862 7   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-862 8 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-862 9 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
301-264 A MTSVMDMSRS0  9212 VERIZON MARYLAND, INC. 240      
301-264 0   624H ONVOY SPECTRUM, LLC 240      
301-264 1   2593 CORE COMMUNICATIONS, INC.- MD 240      
301-264 2 CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240      
301-264 3 MTSVMDMSRS0  9212 VERIZON MARYLAND, INC. 240      
301-264 4 MTSVMDMSRS0  9212 VERIZON MARYLAND, INC. 240      
301-264 5 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-264 6 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-264 7 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-264 8 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-264 9 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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