Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Grantsville, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
227-209 A HGTWMD539MD  939H COMMIO, LLC 240      
227-209 0 HGTWMD539MD  939H COMMIO, LLC 240      
227-209 1 HGTWMD539MD  939H COMMIO, LLC 240      
227-209 2 HGTWMD539MD  939H COMMIO, LLC 240      
227-209 3 HGTWMD539MD  939H COMMIO, LLC 240      
227-209 4 HGTWMD539MD  939H COMMIO, LLC 240      
240-275 A HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 A FRDRMDFRXVX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 240      
240-588 0   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 1   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 2   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 3 FRDRMDFRXVX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 240      
240-588 4   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 5   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 6   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 7   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 8   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-588 9   5562 METROPCS, INC. 240      
240-692 A FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-692 0 CMLDMDCMUMD  073H TELNYX LLC 240      
240-692 1 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-692 2 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-692 3 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-692 4 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-692 5 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-692 6 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-692 7 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
240-692 8 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240      
301-895 A GTVLMDGRRS0  9212 VERIZON MARYLAND, INC. 240      
301-895 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-895 1 HGTWMD530MD  073H TELNYX LLC 240      
301-895 2 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
301-895 3 GTVLMDGRRS0  9212 VERIZON MARYLAND, INC. 240      
301-895 4 GTVLMDGRRS0  9212 VERIZON MARYLAND, INC. 240      
301-895 5 GTVLMDGRRS0  9212 VERIZON MARYLAND, INC. 240      
301-895 6 FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240      
301-895 7 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
301-895 8 FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240      
301-895 9 CMLDMDCMEMD  876D ONVOY, LLC - MD 240      

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

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