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: WASKDCFNAMD

<< 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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-429 8 Washington Zone 3 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-05-03   
240-429 9 Washington Zone 3 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-05-03   
240-434 1 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-11-04   
240-434 2 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-01-02   
240-434 3 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-01-02   
240-434 5 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-01-02   
240-434 6 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-07-22   
240-434 8 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-02-03   
240-434 9 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-08-07   
240-435 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-435 0 Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-07-06   
240-435 1 Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-06-12   
240-435 5 Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-02-16   
240-444 A Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-444 0 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-06   
240-444 1 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-06   
240-444 2 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-08   
240-444 3 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-08   
240-444 4 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-08   
240-444 5 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-08   
240-444 6 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-08   
240-444 7 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-11-08   
240-454 1 Gaithersburg MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-06-15   
240-454 2 Gaithersburg MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-19   
240-454 4 Gaithersburg MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-04-01   
240-458 A Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-458 0 Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-07-17   
240-459 A Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-459 0 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-09-24   
240-459 2 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-08-17   
240-459 5 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-05-16   
240-459 9 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-06-20   
240-470 A Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-470 0 Laurel MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-12-02   
240-478 7 Washington Zone 3 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-03-04   
240-478 8 Washington Zone 3 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-02-03   
240-478 9 Washington Zone 3 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-02-03   
240-479 A Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-479 0 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-05-29   
240-479 1 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-05-29   
240-479 8 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2010-06-03   
240-495 A Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-495 0 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2013-12-27   
240-495 1 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-05-01   
240-495 2 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-01-27   
240-495 3 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-08-01   
240-495 5 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-09-01   
240-496 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-496 0 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-05-30   
240-496 1 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-06-20   
240-496 2 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-08-06   
240-496 3 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-05-14   
240-496 4 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-02-10   
240-496 6 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-02-28   
240-496 7 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-03-15   
240-496 8 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-06-07   
240-496 9 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-05-14   
240-499 4 Washington Zone 10 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-499 5 Washington Zone 10 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-499 6 Washington Zone 10 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-06-02   
240-507 A Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-507 0 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-11-14   
240-507 3 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-05   
240-507 4 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-02-05   
240-507 6 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-06-01   
240-507 7 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-12-18   
240-507 8 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-06-01   
240-507 9 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-05-02   
240-526 0 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-03-11   
240-526 1 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-03-11   
240-526 8 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-03-11   
240-530 0 Waldorf MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-11-17   
240-532 A Washington Zone 5 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-532 0 Washington Zone 5 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2013-12-27   
240-532 1 Washington Zone 5 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2015-05-01   
240-532 9 Washington Zone 5 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-08-01   
240-534 A Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-534 9 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-06-10   
240-538 1 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2003-08-03   
240-538 2 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2003-08-03   
240-538 3 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2003-11-03   
240-538 4 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-07-02   
240-538 5 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-02-28   
240-538 6 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-09-02   
240-538 7 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2004-03-18   
240-538 8 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2003-07-05   
240-539 0 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-02-09   
240-539 1 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-01-03   
240-539 2 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-09-21   
240-539 4 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-09-21   
240-539 6 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2020-09-21   
240-539 7 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-06-03   
240-539 8 Washington Zone 4 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-01-03   
240-541 0 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-04-22   
240-541 1 Washington Zone 2 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-04-22   
240-551 9 Washington Zone 10 MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-03-01   
240-561 A Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-561 0 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-09-12   
240-561 1 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-09-13   
240-561 2 Leonardtown MD 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-10-03   

<< 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 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.