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.

Foristell MCA5, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-463 A FRSTMOXARS2  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-463 0 STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2021-05-26   
636-463 1 FRSTMOXARS2  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-463 2 FRSTMOXARS2  9787 BRIGHTSPEED OF MISSOURI, LLC 520      
636-463 3 STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2022-04-22   
636-463 4 STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2022-06-28   
636-463 5   792K CHARTER IP ENABLED SERVICES, LLC 520   2011-02-17   
636-463 6 STLSMOGZLMD  490J BOOST SUBSCRIBERCO L.L.C. 520   2022-12-20   
636-463 7   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-04-17   
636-463 8 STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-07-29   
636-463 9 STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2022-01-25   

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.