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: WASHDCSWXVY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-270 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-01-06   
240-298 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-300 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-05   
240-309 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2012-12-01   
240-419 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-12-27   
240-435 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-07-06   
240-458 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-12-02   
240-561 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-09-12   
240-577 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-10-06   
240-585 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-08-27   
240-587 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-09-05   
240-925 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-481 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-643 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-751 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-752 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-848 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-904 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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