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.
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Switch: SPFDILSDRMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-816 5 Springfield IL 6529 T-MOBILE USA, INC. 374      
217-816 6 Springfield IL 6529 T-MOBILE USA, INC. 374      
217-816 7 Springfield IL 6529 T-MOBILE USA, INC. 374      
217-816 8 Springfield IL 6529 T-MOBILE USA, INC. 374      
217-816 9 Springfield IL 6529 T-MOBILE USA, INC. 374      
217-862 4 Springfield IL 6529 T-MOBILE USA, INC. 374   2010-08-31   
217-953 1 Springfield IL 6529 T-MOBILE USA, INC. 374   2014-03-27   
217-953 2 Springfield IL 6529 T-MOBILE USA, INC. 374   2014-03-27   
217-953 3 Springfield IL 6529 T-MOBILE USA, INC. 374   2014-03-27   
217-953 5 Springfield IL 6529 T-MOBILE USA, INC. 374   2014-04-13   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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