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: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 824

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-824 A Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 0 Smithsburg MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240      
301-824 1 Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 2 Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 3 Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 4 Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 5 Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 6 Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 7 Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-824 8 Smithsburg MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
301-824 9 Smithsburg MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.