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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-579 9 Brandywine MD BADNMDBNRS0  9212 VERIZON MARYLAND, INC. 236      
301-580 A Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-581 A Washington Zone 2 MD BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-582 A Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 0 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 1 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 2 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 3 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 4 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 5 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 6 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 7 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-582 8 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-06-16   
301-582 9 Hagerstown MD WLPTMDWPRS2  9212 VERIZON MARYLAND, INC. 240      
301-583 A Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 0 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 1 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 2 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 3 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 4 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 5 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 6 Washington Zone 4 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2013-06-03   
301-583 7 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 8 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-583 9 Washington Zone 4 MD LDVRMDLODS0  9212 VERIZON MARYLAND, INC. 236      
301-584 A Washington Zone 12 MD VINNVACB2MD  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236      
301-585 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 A Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 0 Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 1 Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 2 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-11-21   
301-586 3 Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 4 Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 5 Washington Zone 3 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-11-21   
301-586 6 Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 7 Washington Zone 3 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2007-11-21   
301-586 8 Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-586 9 Washington Zone 3 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-587 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-588 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-589 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-590 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 0 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 1 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 2 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 3 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 4 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 5 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2014-09-16   
301-590 6 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-590 7 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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