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: MRRLMIXGAMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-363 A Merrill MI 732J NUSO, LLC 344      
989-363 1 Merrill MI 732J NUSO, LLC 344   2022-10-30   
989-363 2 Merrill MI 732J NUSO, LLC 344   2023-12-11   
989-363 4 Merrill MI 732J NUSO, LLC 344   2023-12-17   
989-363 7 Merrill MI 732J NUSO, LLC 344   2024-09-09   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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