Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
331-203 9 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2023-11-17   
331-232 3 West Chicago IL 624H ONVOY SPECTRUM, LLC 358   2021-05-23   
331-232 4 West Chicago IL 624H ONVOY SPECTRUM, LLC 358   2021-05-23   
331-257 2 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2020-06-29   
331-257 3 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2020-06-29   
331-257 4 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2020-06-29   
331-260 3 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2021-11-16   
331-260 4 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2021-11-16   
331-278 2 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2021-11-12   
331-278 3 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2021-11-12   
331-278 4 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2021-11-12   
331-278 5 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2021-11-12   
331-278 6 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2021-11-12   
331-280 3 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-05-02   
331-280 8 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-03-05   
331-285 5 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2022-07-04   
331-287 5 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2022-09-23   
331-287 6 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2022-09-23   
331-287 7 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2022-09-23   
331-287 8 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2022-09-23   
331-287 9 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2022-09-23   
331-292 A Downers Grove IL 624H ONVOY SPECTRUM, LLC 358      
331-292 0 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-12-17   
331-292 7 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-12-17   
331-292 8 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-12-17   
331-292 9 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-12-17   
331-294 2 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2023-12-18   
331-294 3 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2023-12-18   
331-294 4 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2023-12-18   
331-295 4 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2023-11-17   
331-295 5 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2023-11-17   
331-295 6 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2023-11-17   
331-295 7 Aurora IL 624H ONVOY SPECTRUM, LLC 358   2023-11-17   
331-298 8 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2023-12-18   
331-313 A Naperville IL 624H ONVOY SPECTRUM, LLC 358      
331-313 0 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2022-10-19   
331-313 1 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2022-10-19   
331-313 2 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2022-10-19   
331-313 3 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2022-10-19   
331-313 4 Naperville IL 624H ONVOY SPECTRUM, LLC 358   2022-10-19   
331-348 2 Elburn IL 624H ONVOY SPECTRUM, LLC 358   2021-11-26   
331-348 5 Elburn IL 624H ONVOY SPECTRUM, LLC 358   2021-06-28   
331-399 4 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2021-06-28   
331-399 7 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2021-11-14   
331-399 8 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2021-11-14   
331-500 5 Geneva IL 624H ONVOY SPECTRUM, LLC 358   2021-06-28   
331-631 A Downers Grove IL 624H ONVOY SPECTRUM, LLC 358      
331-631 6 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-09-09   
331-631 7 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-09-09   
331-631 8 Downers Grove IL 624H ONVOY SPECTRUM, LLC 358   2022-09-09   

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

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