Local Calling Guide

Area code/prefix search

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Washington Zone 2, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-919 A BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-940 A CHCHMDBERP0  9212 VERIZON MARYLAND, INC. 236      
301-941 A CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-941 0 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-941 1 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-941 2 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-941 3 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-941 4 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-941 5 WASHDC126MD  964H BARR TELL USA, INC. 236      
301-941 6 OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-941 7 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-941 8 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-941 9 CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-951 A CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-961 A CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-968 A WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-968 0 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-968 1 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-968 2 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-968 3 HRNDVACKBMD  5977 BROADVIEW NETWORKS, INC. - DC 236      
301-968 4 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-968 5 BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
301-968 6 WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-968 7 WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236      
301-968 8 LARLMDCC5MD  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 236      
301-968 9 WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-986 A CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      

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

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