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: CRDLILABSMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-969 3 Marion IL 6529 T-MOBILE USA, INC. 362   2014-10-20   
618-969 5 Marion IL 6529 T-MOBILE USA, INC. 362   2014-10-20   
618-985 7 Carterville IL 5562 METROPCS, INC. 362   2017-02-27   
618-992 5 Marion IL 6529 T-MOBILE USA, INC. 362   2022-05-26   
618-992 8 Marion IL 5562 METROPCS, INC. 362   2022-04-21   
730-221 8 Brookport IL 6529 T-MOBILE USA, INC. 362   2024-01-13   
730-235 A Murphysboro IL 6529 T-MOBILE USA, INC. 362   2024-03-24   
730-235 9 Murphysboro IL 6529 T-MOBILE USA, INC. 362   2024-03-24   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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