Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Fri, 15 Aug 2014 01:34:43 UTC

How to use this page

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

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
573-405 A Vienna MO JFCYMOXAJMD 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO [link] 521 map
573-405 0 Vienna MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO [link] 521
573-405 5 Vienna MO 7575 CENTURYLINK COMMUNICATIONS LLC [link] 521 2014-07-31
573-405 6 Vienna MO 7218 TELEPORT COMMUNICATIONS GROUP - ST. LOUIS [link] 521 2012-10-04
573-405 7 Vienna MO 5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO [link] 521 2013-12-30



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