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: CHCGILMF4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-289 A Des Plaines IL 5562 METRO PCS, INC. 358      
224-477 A Des Plaines IL 5562 METRO PCS, INC. 358      
312-200 A Chicago Zone 01-Calumet IL 5562 METRO PCS, INC. 358      
312-248 A Chicago Zone 01-Calumet IL 5562 METRO PCS, INC. 358      
312-270 A Chicago Zone 01-Calumet IL 5562 METRO PCS, INC. 358      
312-481 A Chicago Zone 01-Calumet IL 5562 METRO PCS, INC. 358      
312-487 A Chicago Zone 01-Calumet IL 5562 METRO PCS, INC. 358      
312-538 A Chicago Zone 01-Calumet IL 5562 METRO PCS, INC. 358      
312-966 A Chicago Zone 01-Calumet IL 5562 METRO PCS, INC. 358      
708-438 A Blue Island IL 5562 METRO PCS, INC. 358      
708-682 A Blue Island IL 5562 METRO PCS, INC. 358      
708-982 A Cicero IL 5562 METRO PCS, INC. 358      
708-986 A Blue Island IL 5562 METRO PCS, INC. 358      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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