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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-476 A Columbia MO CLMAMOXAXFX  250A CHARITON VALLEY COMMUNICATIONS CORPORATION 521      
573-476 0 Columbia MO CLMAMOXAXFX  250A CHARITON VALLEY COMMUNICATIONS CORPORATION 521   2015-01-05   
573-476 1 Columbia MO CLMAMOWB0MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 521   2016-07-14   
573-476 2 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2016-07-27   
573-476 3 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2016-07-27   
573-476 4 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2016-07-27   
573-476 5 Columbia MO JFCYMOXAXZX  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 521   2015-11-23   
573-476 6 Columbia MO CLMAMOXAX4X  938F MCC TELEPHONY OF MISSOURI, LLC - MO 521   2016-10-01   
573-476 7 Columbia MO JFCYMOXAXZX  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 521   2016-11-10   
573-476 8 Columbia MO JFCYMOXAXZX  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 521   2017-11-20   
573-476 9 Columbia MO CLMAMOXAXCX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521   2016-01-14   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.