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: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-483 A Bloomsdale MO BLDLMOGURS1  9533 SOUTHWESTERN BELL 520      
573-483 0 Bloomsdale MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   
573-483 1 Bloomsdale MO BLDLMOGURS1  9533 SOUTHWESTERN BELL 520      
573-483 2 Bloomsdale MO BLDLMOGURS1  9533 SOUTHWESTERN BELL 520      
573-483 3 Bloomsdale MO BLDLMOGURS1  9533 SOUTHWESTERN BELL 520      
573-483 4 Bloomsdale MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-05   
573-483 5 Bloomsdale MO STLSMO09WMD  516C AT&T CORP. 520   2011-05-20   
573-483 6 Bloomsdale MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2012-04-15   
573-483 8 Bloomsdale MO   515J IP HORIZON LLC 520   2013-12-19   
573-483 9 Bloomsdale MO BLDLMOGURS1  9533 SOUTHWESTERN BELL 520      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.