Local Calling Guide

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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-405 A Washington Zone 4 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236      
301-406 A Washington Zone 2 MD SLSPMDSSX6X  6630 USA MOBILITY WIRELESS, INC. 236      
301-407 A Gaithersburg MD PLVLMDPVRS2  9212 VERIZON MARYLAND, INC. 236      
301-408 A Washington Zone 3 MD HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-409 A Washington Zone 13 MD SLSPMDSSX6X  6630 USA MOBILITY WIRELESS, INC. 236      
301-412 A Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
301-413 A Washington Zone 11 MD RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-414 A Damascus MD DMSCMDDEDS0  9212 VERIZON MARYLAND, INC. 236      
301-415 A Washington Zone 3 MD SLSPMDSSDSS  9212 VERIZON MARYLAND, INC. 236      
301-416 A Myersville MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-417 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-418 A Frederick MD FRDRMDFRDS0  9212 VERIZON MARYLAND, INC. 240      
301-419 A Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-420 A Washington Zone 5 MD STLDMDSLDS0  9212 VERIZON MARYLAND, INC. 236      
301-421 A Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-422 A Washington Zone 4 MD HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-423 A Washington Zone 5 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-424 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-425 A Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 A Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-427 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-428 A Washington Zone 10 MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-429 A Washington Zone 4 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-430 A Washington Zone 14 MD UPMRMDCCDS0  9212 VERIZON MARYLAND, INC. 236      
301-431 A Washington Zone 3 MD HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-432 A Keedysville MD KDVLMDKVRS0  9212 VERIZON MARYLAND, INC. 240      
301-433 A Washington Zone 5 MD ALTWMDATDS0  9212 VERIZON MARYLAND, INC. 236      
301-434 A Washington Zone 3 MD HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-435 A Washington Zone 2 MD BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-436 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-437 A Washington Zone 3 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
301-438 A Washington Zone 12 MD SLSPMDNBDS0  9212 VERIZON MARYLAND, INC. 236      
301-439 A Washington Zone 3 MD HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-440 A Washington Zone 5 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
301-441 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-442 A Washington Zone 3 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
301-443 A Washington Zone 11 MD RKVLMDMRRS1  9212 VERIZON MARYLAND, INC. 236      
301-444 A Washington Zone 10 MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-445 A Washington Zone 3 MD HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-446 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-447 A Emmitsburg MD EMBGMDEMRS0  9212 VERIZON MARYLAND, INC. 240      
301-448 A Washington Zone 3 MD ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2021-01-26   
301-449 A Washington Zone 5 MD ALTWMDATDS0  9212 VERIZON MARYLAND, INC. 236      
301-451 A Washington Zone 2 MD BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-452 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-453 A Kitzmiller MD KTZMMDKMRS0  9212 VERIZON MARYLAND, INC. 240      
301-454 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-455 A Washington Zone 3 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
301-456 A Washington Zone 5 MD ARTNVAARXDY  318J COMCAST IP PHONE LLC 236   2021-01-26   
301-457 A Washington Zone 3 MD SLSPMDSSDSS  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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