Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 9212 VERIZON MARYLAND, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-794 9 Washington Zone 14 MD LNHMMDLNDS0  236      
301-796 A Washington Zone 13 MD BTVLMDBVDS0  236      
301-797 A Hagerstown MD HGTWMDHGDS0  240      
301-798 A Damascus (Hagerstown LATA) MD NWMRMDNERS3  240      
301-798 0 Damascus (Hagerstown LATA) MD NWMRMDNERS3  240      
301-803 A Washington Zone 2 MD BTHSMDWWDS0  236      
301-803 4 Washington Zone 2 MD BTHSMDWWDS0  236      
301-803 7 Washington Zone 2 MD BTHSMDWWDS0  236      
301-805 A Washington Zone 14 MD BOWIMDBODS0  236      
301-808 A Washington Zone 5 MD CPHGMDCADS0  236      
301-809 A Washington Zone 14 MD BOWIMDBODS0  236      
301-809 0 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 1 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 2 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 3 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 4 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 5 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 6 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 8 Washington Zone 14 MD BOWIMDBODS0  236      
301-809 9 Washington Zone 14 MD BOWIMDBODS0  236      
301-812 A Washington Zone 15 (Baltimore LATA) MD NRBHMDNEDS0  238      
301-812 0 Washington Zone 15 (Baltimore LATA) MD NRBHMDNEDS0  238      
301-812 1 Washington Zone 15 (Baltimore LATA) MD NRBHMDNEDS0  238      
301-812 2 Washington Zone 15 (Baltimore LATA) MD NRBHMDNEDS0  238      
301-815 A Frederick MD FRDRMDFRDS1  240      
301-816 A Washington Zone 11 MD RKVLMDMRDS0  236      
301-817 A Washington Zone 5 MD STLDMDSLDS0  236      
301-819 A Washington Zone 3 MD SLSPMDSSDS0  236      
301-821 8 Laurel MD LARLMDLRDS0  236   2005-11-17   
301-824 A Smithsburg MD SMBGMDSMRS0  240      
301-824 1 Smithsburg MD SMBGMDSMRS0  240      
301-824 2 Smithsburg MD SMBGMDSMRS0  240      
301-824 3 Smithsburg MD SMBGMDSMRS0  240      
301-824 4 Smithsburg MD SMBGMDSMRS0  240      
301-824 5 Smithsburg MD SMBGMDSMRS0  240      
301-824 6 Smithsburg MD SMBGMDSMRS0  240      
301-824 7 Smithsburg MD SMBGMDSMRS0  240      
301-825 7 Washington Zone 10 MD RKVLMDRVDS1  236   2006-12-27   
301-826 A Lexington Park-Great Mills MD LXPKMDLXDS0  236      
301-827 A Washington Zone 2 MD BTHSMDRPDS0  236      
301-828 4 Washington Zone 2 MD CHCHMDBEDS0  236   2005-04-22   
301-829 A Mount Airy MD MTARMDMARS1  240      
301-829 0 Mount Airy MD MTARMDMARS1  240      
301-829 1 Mount Airy MD MTARMDMARS1  240      
301-829 2 Mount Airy MD MTARMDMARS1  240      
301-829 3 Mount Airy MD MTARMDMARS1  240      
301-829 4 Mount Airy MD MTARMDMARS1  240      
301-829 5 Mount Airy MD MTARMDMARS1  240      
301-829 6 Mount Airy MD MTARMDMARS1  240      
301-829 7 Mount Airy MD MTARMDMARS1  240   2001-11-03   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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