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: CLEVOHEK9MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
440-881 0 Middlefield OH 073H TELNYX LLC 320   2023-02-25   
440-904 1 East Claridon OH 073H TELNYX LLC 320   2021-03-12   
440-968 1 Montville OH 073H TELNYX LLC 320   2021-03-12   

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

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