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: 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-395 A Laurel (Baltimore LATA) MD BLTMMDCH05Z  238   2004-05-07   
301-395 0 Laurel (Baltimore LATA) MD   238   2004-05-07   
301-395 1 Laurel (Baltimore LATA) MD   238   2004-08-19   
301-395 2 Laurel (Baltimore LATA) MD   238   2004-08-19   
301-395 3 Laurel (Baltimore LATA) MD   238   2004-08-19   
301-395 4 Laurel (Baltimore LATA) MD   238   2004-08-19   
301-395 5 Laurel (Baltimore LATA) MD   238   2004-12-03   
301-395 6 Laurel (Baltimore LATA) MD   238   2004-12-03   
301-395 7 Laurel (Baltimore LATA) MD   238   2004-12-03   
301-395 8 Laurel (Baltimore LATA) MD   238   2004-12-03   
301-395 9 Laurel (Baltimore LATA) MD   238   2005-02-03   
301-448 0 Washington Zone 3 MD   236   2006-03-04   
301-448 2 Washington Zone 3 MD   236   2006-04-01   
301-448 5 Washington Zone 3 MD   236   2005-09-20   
301-448 6 Washington Zone 3 MD   236   2005-09-20   
301-448 7 Washington Zone 3 MD   236   2005-11-01   
301-448 8 Washington Zone 3 MD   236   2005-11-01   
301-448 9 Washington Zone 3 MD   236   2005-12-02   
301-452 A Washington Zone 3 MD ANJTMDAHCM2  236      
301-456 3 Washington Zone 5 MD   236   2012-10-01   
301-456 4 Washington Zone 5 MD   236   2012-06-16   
301-456 5 Washington Zone 5 MD   236   2012-06-16   
301-456 6 Washington Zone 5 MD   236   2011-12-15   
301-456 9 Washington Zone 5 MD   236   2013-10-01   
301-458 1 Washington Zone 4 MD   236   2015-09-05   
301-458 5 Washington Zone 4 MD   236   2013-05-15   
301-461 A Washington Zone 10 MD ANJTMDAHCM2  236      
301-466 A Washington Zone 3 MD ADLPMDMTCM2  236      
301-467 A Washington Zone 3 MD ADLPMDMTCM2  236      
301-471 A Frederick MD FRDRMDBACM1  240      
301-481 A Leonardtown MD WASHDCSWXVY  236      
301-500 8 Washington Zone 2 MD   236   2011-08-01   
301-502 A Washington Zone 3 MD ADLPMDMTCM2  236      
301-509 A Washington Zone 3 MD ANJTMDAHCM2  236      
301-512 A Washington Zone 3 MD ANJTMDAHCM2  236      
301-514 A Frederick MD FRDRMDBACM1  240      
301-518 A Washington Zone 3 MD ANJTMDAHCM2  236      
301-520 A Washington Zone 3 MD ANJTMDAHCM2  236      
301-525 1 Gaithersburg MD   236   2008-06-05   
301-525 2 Gaithersburg MD   236   2008-08-14   
301-525 3 Gaithersburg MD   236   2008-10-03   
301-525 4 Gaithersburg MD   236   2008-02-15   
301-525 5 Gaithersburg MD   236   2008-02-15   
301-525 6 Gaithersburg MD   236   2008-07-03   
301-525 7 Gaithersburg MD   236   2008-11-03   
301-525 8 Gaithersburg MD   236   2008-11-17   
301-525 9 Gaithersburg MD   236   2008-12-19   
301-532 0 Laurel (Baltimore LATA) MD   238   2018-07-09   
301-532 1 Laurel (Baltimore LATA) MD   238   2017-02-21   
301-532 2 Laurel (Baltimore LATA) MD   238   2017-02-21   

<< 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 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.