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: YNTWOH74X1X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
234-335 A Lisbon (Columbiana) OH 145J TERRA NOVA TELECOM INC. 322      
234-588 5 New Waterford OH 145J TERRA NOVA TELECOM INC. 322   2024-08-20   
330-406 4 Youngstown OH 145J TERRA NOVA TELECOM INC. 322   2025-01-03   
330-505 5 Niles OH 145J TERRA NOVA TELECOM INC. 322   2024-05-24   
330-702 9 Canfield OH 145J TERRA NOVA TELECOM INC. 322   2024-05-24   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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