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.

Switch: ATLNGAPPX3Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
404-278 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-280 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-283 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-318 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-415 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-570 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-571 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-650 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-742 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-743 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-746 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-776 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-833 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-864 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-866 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-871 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
404-899 A Atlanta GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
770-223 A Atlanta Northeast GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      
770-244 A Atlanta Northeast GA 9748 AMERICAN MESSAGING SERVICES, LLC 438      

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

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