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: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-409 A Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-409 0 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2021-01-02   
605-409 1 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-07-08   
605-409 2 Harrisburg-Tea SD SXFLSDCOXWX  506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-409 3 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-07-08   
605-409 4 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-12   
605-409 5 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-12   
605-409 6 Harrisburg-Tea SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-409 7 Harrisburg-Tea SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-07-18   
605-409 8 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2021-08-22   
605-409 9 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-01-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.