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: 249

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-249 A Union MO STLVMOOH3MD  5562 METROPCS, INC. 520      
636-249 0 Union MO STLVMOOH3MD  5562 METROPCS, INC. 520   2014-08-24   
636-249 1 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-03-28   
636-249 2 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-03-28   
636-249 3 Union MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-03-24   
636-249 4 Union MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-03-24   
636-249 5 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-249 6 Union MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-28   
636-249 7 Union MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-10-26   
636-249 8 Union MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-10-26   
636-249 9 Union MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-14   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.