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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Stevensville, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-766 6 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-07-12   
667-766 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-17   
667-766 8 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-766 9   568G PEERLESS NETWORK OF MARYLAND, LLC 242   2024-03-22   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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