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.

Switch: MTONILXCX4X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-208 A Charleston IL 6529 T-MOBILE USA, INC. 976      
217-240 A Effingham IL 6529 T-MOBILE USA, INC. 976      
217-317 A Mattoon IL 6529 T-MOBILE USA, INC. 976      
217-512 A Charleston IL 6529 T-MOBILE USA, INC. 976      
217-663 A Effingham IL 5562 METROPCS, INC. 976      
217-790 A Charleston IL 6529 T-MOBILE USA, INC. 976      
217-851 A Litchfield IL 5562 METROPCS, INC. 976      
217-926 A Arcola IL 6529 T-MOBILE USA, INC. 976      
217-962 A Mattoon IL 6529 T-MOBILE USA, INC. 976      
447-219 A Charleston IL 6529 T-MOBILE USA, INC. 976      

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

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