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: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-746 A Maxville MO STLSMOGZHMD  516J TON80 COMMUNICATIONS, LLC 520      
636-746 0 Maxville MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-02-06   
636-746 1 Maxville MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2023-04-03   
636-746 2 Maxville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-11-26   
636-746 3 Maxville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
636-746 4 Maxville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-08-10   
636-746 5 Maxville MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2024-05-15   
636-746 6 Maxville MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-02-22   
636-746 7 Maxville MO STLSMOGZHMD  516J TON80 COMMUNICATIONS, LLC 520   2022-04-09   
636-746 8 Maxville MO STLSMOWQ8MD  073H TELNYX LLC 520   2023-05-26   
636-746 9 Maxville MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-08-12   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.