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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-661 A Maquoketa IA DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-661 0 Maquoketa IA   939H COMMIO, LLC 634   2022-11-19   
563-661 2 Maquoketa IA   221F ONVOY, LLC - IA 634   2021-03-14   
563-661 3 Maquoketa IA   221F ONVOY, LLC - IA 634   2021-03-14   
563-661 4 Maquoketa IA   221F ONVOY, LLC - IA 634   2021-03-14   
563-661 5 Maquoketa IA   221F ONVOY, LLC - IA 634   2019-09-19   
563-661 6 Maquoketa IA   221F ONVOY, LLC - IA 634   2019-09-19   
563-661 7 Maquoketa IA   515J IP HORIZON LLC 634   2025-08-21   
563-661 8 Maquoketa IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2020-06-24   
563-661 9 Maquoketa IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2024-07-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.