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: 574 [Rate centres in NPA 574] [Dial plan for NPA 574]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
574-999 A South Bend IN SBNDIN01X6X  097D ONVOY, LLC IN 332      
574-999 0 South Bend IN MSHWINBWCM2  6725 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN 332   2017-06-28   
574-999 1 South Bend IN SBNDIN01XVX  930B COMCAST PHONE OF CENTRAL INDIANA, LLC - IN 332   2017-11-13   
574-999 2 South Bend IN SBNDIN01X6X  097D ONVOY, LLC IN 332   2017-09-21   
574-999 3 South Bend IN SBNDIN01X6X  097D ONVOY, LLC IN 332   2017-09-21   
574-999 4 South Bend IN SBNDIN01X6X  097D ONVOY, LLC IN 332   2017-09-21   
574-999 5 South Bend IN SBNDIN05TMD  5562 METRO PCS, INC. 332   2017-10-29   
574-999 6 South Bend IN SBNDIN05TMD  5562 METRO PCS, INC. 332   2017-10-29   
574-999 7 South Bend IN SBNDIN01X6X  097D ONVOY, LLC IN 332   2017-04-10   
574-999 8 South Bend IN SBNDIN01X1X  7440 MCI WORLDCOM COMMUNICATIONS, INC. - IN 332   2017-10-19   
574-999 9 South Bend IN SBNDIN01X6X  097D ONVOY, LLC IN 332   2017-04-10   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.