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: 314

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-314 A Arbutus MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-314 0 Arbutus MD BLTQMD013MD  939H COMMIO, LLC 238      
410-314 1 Arbutus MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-314 2 Arbutus MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-314 3 Arbutus MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-314 4 Arbutus MD BLTMMDCHX7X  073H TELNYX LLC 238      
410-314 5 Arbutus MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
410-314 6 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
410-314 7 Arbutus MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-314 8 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
410-314 9 Arbutus 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.