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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-677 A Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
314-677 0 Kirkwood MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2005-06-05   
314-677 1 Kirkwood MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-09-05   
314-677 2 Kirkwood MO MRHGMOGYDS2  4774 XO MISSOURI, INC. 520   2008-11-02   
314-677 3 Kirkwood MO MRHGMOGYDS2  4774 XO MISSOURI, INC. 520   2006-09-14   
314-677 4 Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-05-23   
314-677 5 Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-05-23   
314-677 6 Kirkwood MO STLSMOGZRMD  4891 WINDSTREAM NUVOX MISSOURI, LLC 520   2006-02-27   
314-677 7 Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2006-05-23   
314-677 8 Kirkwood MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2006-03-26   
314-677 9 Kirkwood MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2005-05-30   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.