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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-937 3 Sioux Falls SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2015-10-15   
605-940 A Sioux Falls SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-941 A Sioux Falls SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-944 A Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-944 1 Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-10-08   
605-949 A Milbank SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-949 0 Milbank SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-949 1 Milbank SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-949 2 Milbank SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-949 3 Milbank SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-956 1 Watertown SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-09-11   
605-956 6 Watertown SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-11-15   
605-957 5 Beresford Rural SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-963 2 Dell Rapids SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2017-09-11   
605-970 A Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-970 5 Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2018-01-05   
605-970 6 Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2018-01-05   
605-970 7 Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2018-01-05   
605-970 8 Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2018-01-05   
605-980 A Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-980 9 Martin SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2018-01-01   
605-987 7 Canton SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2005-01-07   
605-988 7 Sioux Falls SD 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-11-08   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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