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: 568G PEERLESS NETWORK OF MARYLAND, LLC

<< 1 2 3 4 5 6 7 8 9 10 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
443-335 2 Brooklyn Park-Linthicum MD BLTQMD01DS0  238   2018-11-18   
443-335 6 Brooklyn Park-Linthicum MD BLTQMD01DS0  238   2020-10-26   
443-339 2 Sherwood Forest MD BLTQMD01DS0  238   2020-11-14   
443-384 0 Parkville MD BLTQMD01DS0  238   2013-05-04   
443-384 1 Parkville MD BLTQMD01DS0  238   2013-05-04   
443-384 5 Parkville MD BLTQMD01DS0  238   2020-11-14   
443-391 8 Cockeysville MD BLTQMD01DS0  238   2013-05-04   
443-391 9 Cockeysville MD BLTQMD01DS0  238   2013-05-04   
443-396 5 Odenton MD BLTQMD01DS0  238   2020-10-28   
443-399 5 Dundalk MD BLTQMD01DS0  238   2020-10-28   
443-405 8 Randallstown MD BLTQMD01DS0  238   2013-05-04   
443-405 9 Randallstown MD BLTQMD01DS0  238   2013-05-04   
443-409 8 Edgewood MD BLTQMD01DS0  238   2013-05-04   
443-409 9 Edgewood MD BLTQMD01DS0  238   2013-05-04   
443-410 0 Glen Burnie MD BLTQMD01DS0  238   2014-05-25   
443-429 8 Woodlawn MD BLTQMD01DS0  238   2013-05-04   
443-429 9 Woodlawn MD BLTQMD01DS0  238   2013-05-04   
443-439 0 Trappe MD SLBRMD90DS0  242   2018-11-20   
443-439 4 Trappe MD SLBRMD90DS0  242   2018-03-11   
443-441 0 Glenwood MD BLTQMD01DS0  238   2013-05-04   
443-441 1 Glenwood MD BLTQMD01DS0  238   2013-05-04   
443-445 1 Elkridge MD BLTQMD01DS0  238   2015-04-17   
443-464 8 Churchville MD BLTQMD01DS0  238   2013-05-05   
443-464 9 Churchville MD BLTQMD01DS0  238   2013-05-05   
443-483 1 Cardiff MD BLTQMD01DS0  238   2013-05-04   
443-483 2 Cardiff MD BLTQMD01DS0  238   2013-05-04   
443-489 1 Chase MD BLTQMD01DS0  238   2013-05-04   
443-489 8 Chase MD BLTQMD01DS0  238   2013-05-04   
443-508 5 Hampstead MD BLTQMD01DS0  238   2013-05-04   
443-508 9 Hampstead MD BLTQMD01DS0  238   2013-05-04   
443-516 5 Sykesville MD   238   2024-03-22   
443-530 0 Dundalk MD BLTQMD01DS0  238   2013-05-04   
443-530 1 Dundalk MD BLTQMD01DS0  238   2013-05-04   
443-558 1 Aberdeen MD BLTQMD01DS0  236   2013-05-04   
443-558 9 Aberdeen MD BLTQMD01DS0  236   2013-05-04   
443-565 8 Randallstown MD BLTQMD01DS0  238   2021-03-24   
443-598 8 Sherwood Forest MD BLTQMD01DS0  238   2013-05-04   
443-598 9 Sherwood Forest MD BLTQMD01DS0  238   2013-05-04   
443-607 5 West River MD BLTQMD01DS0  238   2013-05-04   
443-609 8 Sykesville MD BLTQMD01DS0  238   2013-05-04   
443-609 9 Sykesville MD BLTQMD01DS0  238   2013-05-04   
443-626 8 Chase MD BLTQMD01DS0  238   2020-06-21   
443-636 4 Catonsville MD BLTQMD01DS0  238   2013-05-04   
443-637 7 Armiger-Gibson Island MD BLTQMD01DS0  238   2012-10-11   
443-637 8 Armiger-Gibson Island MD BLTQMD01DS0  238   2012-10-11   
443-637 9 Armiger-Gibson Island MD BLTQMD01DS0  238   2012-10-11   
443-641 0 Pikesville MD BLTQMD01DS0  238   2013-05-04   
443-641 8 Pikesville MD BLTQMD01DS0  238   2013-05-04   
443-643 0 Bel Air MD BLTQMD01DS0  238   2013-05-04   
443-643 9 Bel Air MD BLTQMD01DS0  238   2013-05-04   

<< 1 2 3 4 5 6 7 8 9 10 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.