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.

Baldwin, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-268 A DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634      
563-268 2 DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2018-08-19   
563-268 9 MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2021-02-26   
563-673 A BLDWIAXODS1  1107 BALDWIN NASHVILLE TEL. CO., INC. 634      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.