Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Washington Zone 11, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
301-881 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-929 A WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-933 A WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-942 A WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-945 A WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 0 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 1 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 2 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 3 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 4 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 5 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 6 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-945 7 VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-945 8 VINNVACBDS0  876D ONVOY, LLC - MD 236      
301-945 9 WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-946 A WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-949 A WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 A WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 0 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 1 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 2 SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
301-962 3 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 4 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 5 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 6 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 7 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 8 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-962 9 WHTNMDWTDS0  9212 VERIZON MARYLAND, INC. 236      
301-984 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-998 A RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      

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

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