Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 501 [Rate centres in NPA 501] [Dial plan for NPA 501]

NXX: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-406 A Little Rock AR LTRKARZODS1  578H AIRUS, INC. - AR 528      
501-406 0 Little Rock AR   348F ONVOY, LLC - AR 528   2016-01-04   
501-406 1 Little Rock AR   578H AIRUS, INC. - AR 528   2015-11-08   
501-406 2 Little Rock AR   348F ONVOY, LLC - AR 528   2016-01-04   
501-406 3 Little Rock AR   348F ONVOY, LLC - AR 528   2016-01-04   
501-406 4 Little Rock AR   5562 METROPCS, INC. 528   2016-03-11   
501-406 5 Little Rock AR   5562 METROPCS, INC. 528   2016-04-15   
501-406 6 Little Rock AR   802C TELEPORT COMMUNICATIONS AMERICA, LLC - AR 528   2016-06-03   
501-406 7 Little Rock AR   318J COMCAST IP PHONE, LLC 528   2016-04-19   
501-406 8 Little Rock AR   196F BANDWIDTH.COM CLEC, LLC - AR 528   2016-07-11   
501-406 9 Little Rock AR   095A E. RITTER COMMS DBA RITTER COMMUNICATIONS, INC. AR 528   2016-08-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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