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: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-888 A Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
314-888 0 Ladue MO WNVLMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 520   2013-11-19   
314-888 1 Ladue MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-07-13   
314-888 2 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2012-07-13   
314-888 3 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-01-06   
314-888 4 Ladue MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-07-13   
314-888 5 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-01-28   
314-888 6 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2013-10-28   
314-888 7 Ladue MO   145J TERRA NOVA TELECOM INC. 520   2023-08-06   
314-888 8 Ladue MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-07-13   
314-888 9 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-11-16   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.