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: 314 [Rate centres in NPA 314] [Dial plan for NPA 314]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-366 A St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-366 0 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-07-03   
314-366 1 St Louis MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-07-03   
314-366 2 St Louis MO STLVMOOH3MD  5562 METROPCS, INC. 520   2015-08-14   
314-366 3 St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2015-05-29   
314-366 4 St Louis MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2015-07-10   
314-366 5 St Louis MO STLVMOOH3MD  5562 METROPCS, INC. 520   2015-08-14   
314-366 6 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
314-366 7 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
314-366 8 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   
314-366 9 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2015-07-31   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.