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: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 673

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-673 A Occoquan VA   138E ONVOY, LLC - VA 236   2024-05-16   
571-673 0 Occoquan VA   138E ONVOY, LLC - VA 236      
571-673 1 Occoquan VA   138E ONVOY, LLC - VA 236      
571-673 2 Occoquan VA   073H TELNYX LLC 236      
571-673 3 Occoquan VA   138E ONVOY, LLC - VA 236      
571-673 4 Occoquan VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-673 5 Occoquan VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-673 6 Occoquan VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-673 7 Occoquan VA   515J IP HORIZON LLC 236      
571-673 8 Occoquan VA   073H TELNYX LLC 236      
571-673 9 Occoquan VA   515J IP HORIZON LLC 236      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.