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.

NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 934

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-934 A Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-934 0 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-07-15   
410-934 1 Annapolis MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-934 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-08-24   
410-934 3 Annapolis MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-03-30   
410-934 4 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-06-11   
410-934 5 Annapolis MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-934 6 Annapolis MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2012-10-11   
410-934 7 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2013-03-16   
410-934 8 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   
410-934 9 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2012-03-29   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.