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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Rota, MP

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
670-532 A ROTANNXARS1  3700 MICRONESIAN TELECOMMUNICATIONS CORPORATION 870      
670-588 A CHLONN01CM0  4974 GUAM WIRELESS TELEPHONE COMPANY, LLC 870      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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