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: PNCYFLMAXXZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
850-252 A Panama City FL 516C AT&T CORP. 45009      
850-252 6 Panama City FL 516C AT&T CORP. 45009   2012-01-31   
850-360 5 Graceville FL 516C AT&T CORP. 45009   2013-02-17   
850-388 7 Vernon FL 516C AT&T CORP. 45009   2013-02-04   
850-397 5 Sunny Hills FL 516C AT&T CORP. 45009   2013-02-17   
850-571 2 Lynn Haven FL 516C AT&T CORP. 45009   2012-11-28   
850-600 A Chipley FL 516C AT&T CORP. 45009      
850-600 7 Chipley FL 516C AT&T CORP. 45009   2011-10-30   
850-616 5 Havana FL 516C AT&T CORP. 45009   2012-12-15   
850-708 3 Panama City Beach FL 516C AT&T CORP. 45009   2012-01-27   
850-753 5 Youngstown-Fountain FL 516C AT&T CORP. 45009   2013-02-04   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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