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: 401 [Rate centres in NPA 401] [Dial plan for NPA 401]

NXX: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-429 A Providence RI PRVDRIUFAMD  732J NUSO, LLC 130      
401-429 0 Providence RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-429 1 Providence RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-429 2 Providence RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-429 3 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130      
401-429 4 Providence RI PRVDRIUFAMD  732J NUSO, LLC 130      
401-429 5 Providence RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-429 6 Providence RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-429 7 Providence RI PRVDRIUFAMD  732J NUSO, LLC 130      
401-429 8 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130      
401-429 9 Providence RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.