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: MRVINCBT0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
980-481 A Mooresville NC 520K TDS METROCOM, LLC 422   2025-09-22   
980-481 2 Mooresville NC 520K TDS METROCOM, LLC 422   2025-09-22   
980-840 4 Troutman NC 520K TDS METROCOM, LLC 422   2025-09-22   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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