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: MRNNFLXACMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
850-352 6 Cottondale FL 318J COMCAST IP PHONE, LLC 45012   2020-01-13   
850-369 A Greenwood FL 318J COMCAST IP PHONE, LLC 45012      
850-372 4 Marianna FL 318J COMCAST IP PHONE, LLC 45012   2011-09-08   
850-394 4 Marianna FL 318J COMCAST IP PHONE, LLC 45012   2015-04-05   
850-593 7 Sneads FL 318J COMCAST IP PHONE, LLC 45012   2011-09-08   

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

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