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: ROCHMNROXQX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-288 2 Amund IA 624H ONVOY SPECTRUM, LLC 620   2021-07-12   
641-288 8 Amund IA 624H ONVOY SPECTRUM, LLC 620   2021-10-29   
641-326 7 Mona IA 624H ONVOY SPECTRUM, LLC 620   2021-10-29   
641-382 3 Bailey IA 624H ONVOY SPECTRUM, LLC 620   2021-07-12   
641-382 4 Bailey IA 624H ONVOY SPECTRUM, LLC 620   2021-10-29   
641-900 4 Mona IA 624H ONVOY SPECTRUM, LLC 620   2021-07-12   
712-682 7 South Bigelow IA 624H ONVOY SPECTRUM, LLC 620   2021-10-29   
712-682 8 South Bigelow IA 624H ONVOY SPECTRUM, LLC 620   2021-07-12   

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

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