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: STLTMOBOAMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-866 1 St Charles MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2011-03-26   
636-875 8 St Peters MCA4 MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2011-03-26   
636-896 6 St Charles MCA3 MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2011-12-19   
636-931 8 Festus-Crystal City MCA5 MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2019-01-21   
730-227 0 Centralia IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520   2023-11-28   
730-227 1 Centralia IL 6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 520   2023-11-28   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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