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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-317 A Harvester MO OVLDMOBKDS0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520      
636-317 0 Harvester MO STLSMOGZ6MD  073H TELNYX LLC 520   2017-03-30   
636-317 1 Harvester MO OVLDMOBKDS0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2016-04-10   
636-317 2 Harvester MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-317 3 Harvester MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-317 4 Harvester MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2017-02-02   
636-317 5 Harvester MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2017-07-03   
636-317 6 Harvester MO OVLDMOBKDS0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2017-07-23   
636-317 7 Harvester MO STLVMOOH3MD  5562 METROPCS, INC. 520   2016-12-15   
636-317 8 Harvester MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-06-22   
636-317 9 Harvester MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-06-22   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.