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: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-777 A Sabula IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634      
563-777 0 Sabula IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2015-12-10   
563-777 1 Sabula IA DVNPIADTXPX  965H FRACTEL, LLC 634   2020-08-10   
563-777 2 Sabula IA DVNPIADTXPX  965H FRACTEL, LLC 634   2020-08-10   
563-777 3 Sabula IA DVNPIADTXPX  965H FRACTEL, LLC 634   2020-08-10   
563-777 4 Sabula IA   965H FRACTEL, LLC 634   2020-03-17   
563-777 5 Sabula IA   965H FRACTEL, LLC 634   2020-03-17   
563-777 7 Sabula IA   965H FRACTEL, LLC 634   2020-03-17   
563-777 9 Sabula IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-06-24   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.