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.

Switch: LXPKMDLXDS0

Remotes:

Switch Switch name Switch type
HLWDMDHWRS0  HOLLYWOOD  5ER 
LNTWMDLTRS0  LEONARDTOWN  5BR 
MLTWMDMLRS0  MILESTOWN  5ER 
RIDGMDRIRS0  RIDGE  5ER 
VYLEMDVLRS0  VALLEY LEE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-725 A Lexington Park-Great Mills MD 9212 VERIZON MARYLAND, INC. 236      
240-895 A Lexington Park-Great Mills MD 9212 VERIZON MARYLAND, INC. 236      
301-737 A Lexington Park-Great Mills MD 9212 VERIZON MARYLAND, INC. 236      
301-826 A Lexington Park-Great Mills MD 9212 VERIZON MARYLAND, INC. 236      
301-862 A Lexington Park-Great Mills MD 9212 VERIZON MARYLAND, INC. 236      
301-863 A Lexington Park-Great Mills MD 9212 VERIZON MARYLAND, INC. 236      
301-866 A Lexington Park-Great Mills MD 9212 VERIZON MARYLAND, INC. 236      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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