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.

Guttenberg, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
563-252 A EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 0 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 1 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 2 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 3 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 4 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 5 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 6   593K MCC TELEPHONY LLC 635   2012-10-06   
563-252 7 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 8 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-252 9 EKDRIAAEDS0  1106 ALPINE COMMUNICATIONS, L.C. 635      
563-298 A CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635      
563-298 3 IWCYIA70AMD  516J TON80 COMMUNICATIONS, LLC 635   2021-07-26   
563-298 7 CDRRIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 635   2022-11-27   
563-298 9 CDRRIADTFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 635   2020-01-20   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.