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: 709

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-709 A Sparrows Point MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-709 0 Sparrows Point MD BLTMMDCHX7X  073H TELNYX LLC 238      
410-709 1 Sparrows Point MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-709 2 Sparrows Point MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-709 3 Sparrows Point MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-709 4 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-709 5 Sparrows Point MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
410-709 6 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-709 7 Sparrows Point MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-709 8 Sparrows Point MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-709 9 Sparrows Point MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.