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.

NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-378 A St Peters MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520      
636-378 0 St Peters MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520      
636-378 1 St Peters MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-378 2 St Peters MO   093F ONVOY, LLC - MO 520      
636-378 3 St Peters MO   093F ONVOY, LLC - MO 520      
636-378 5 St Peters MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
636-378 6 St Peters MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520      
636-378 7 St Peters MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520      
636-378 8 St Peters MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520      
636-378 9 St Peters MO WNVLMOXAVMD  6529 T-MOBILE USA, INC. 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.