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.

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-760 5 Washington Zone 2 MD CHCHMDBEDS0  236   2004-08-10   
301-762 A Washington Zone 10 MD RKVLMDRVDS1  236      
301-763 A Washington Zone 5 MD STLDMDSLDS0  236      
301-764 A Waldorf MD WDRFMDWDDS0  236      
301-764 1 Waldorf MD WDRFMDWDDS0  236      
301-764 2 Waldorf MD WDRFMDWDDS0  236      
301-764 5 Waldorf MD WDRFMDWDDS0  236      
301-764 6 Waldorf MD WDRFMDWDDS0  236      
301-764 7 Waldorf MD WDRFMDWDDS0  236      
301-765 A Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 0 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 1 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 2 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 3 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 5 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 6 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 7 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 8 Washington Zone 10 MD BTHSMDBDDS0  236      
301-765 9 Washington Zone 10 MD BTHSMDBDDS0  236      
301-766 A Hagerstown MD HGTWMDHGDS0  240      
301-767 A Washington Zone 2 MD BTHSMDBDDS0  236      
301-767 0 Washington Zone 2 MD BTHSMDBDDS0  236      
301-767 1 Washington Zone 2 MD BTHSMDBDDS0  236      
301-767 2 Washington Zone 2 MD BTHSMDBDDS0  236      
301-767 3 Washington Zone 2 MD BTHSMDBDDS0  236      
301-767 4 Washington Zone 2 MD BTHSMDBDDS0  236      
301-767 8 Washington Zone 2 MD BTHSMDBDDS0  236      
301-767 9 Washington Zone 2 MD BTHSMDBDDS0  236      
301-769 A Leonardtown MD MLTWMDMLRS0  236      
301-769 2 Leonardtown MD MLTWMDMLRS0  236      
301-769 3 Leonardtown MD MLTWMDMLRS0  236      
301-769 4 Leonardtown MD MLTWMDMLRS0  236      
301-770 A Washington Zone 11 MD RKVLMDMRDS0  236      
301-771 A Washington Zone 2 MD CHCHMDBEDS0  236      
301-771 2 Washington Zone 2 MD CHCHMDBEDS0  236      
301-771 3 Washington Zone 2 MD CHCHMDBEDS0  236      
301-771 4 Washington Zone 2 MD CHCHMDBEDS0  236      
301-771 5 Washington Zone 2 MD CHCHMDBEDS0  236      
301-771 6 Washington Zone 2 MD CHCHMDBEDS0  236      
301-771 7 Washington Zone 2 MD CHCHMDBEDS0  236      
301-771 8 Washington Zone 2 MD CHCHMDBEDS0  236      
301-772 A Washington Zone 4 MD LDVRMDLODS0  236      
301-773 A Washington Zone 4 MD LDVRMDLODS0  236      
301-774 A Ashton MD OLNYMDOKDS0  236      
301-776 A Laurel MD LARLMDLRDS0  236      
301-777 A Cumberland MD CMLDMDCMDS0  240      
301-777 0 Cumberland MD CMLDMDCMDS0  240      
301-777 1 Cumberland MD CMLDMDCMDS0  240      
301-777 2 Cumberland MD CMLDMDCMDS0  240      
301-777 3 Cumberland MD CMLDMDCMDS0  240      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.