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.
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Switch: MLBRFLMAXEX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
321-881 A Melbourne FL 6483 AMERICAN MESSAGING SERVICES, LLC 45806      
321-883 A Cocoa FL 6483 AMERICAN MESSAGING SERVICES, LLC 45806      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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