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: 441

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-441 A Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 0 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 1 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 2 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 3 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 4 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 5 Providence RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-441 6 Providence RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-441 7 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 8 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-441 9 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.