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: MEDNOHXBMMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
330-739 0 Harlem Springs OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 325   2020-11-21   
330-739 5 Harlem Springs OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 325   2022-10-18   
330-952 3 Medina OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 325   2017-10-20   
330-952 6 Medina OH 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 325   2025-04-26   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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