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: 645

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-645 A Woodlawn MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-645 0 Woodlawn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-645 1 Woodlawn MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-645 2 Woodlawn MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-645 3 Woodlawn MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238      
410-645 4 Woodlawn MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-645 5 Woodlawn MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
410-645 6 Woodlawn MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-645 7 Woodlawn MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-645 8 Woodlawn MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-645 9 Woodlawn MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.