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.

NPA: 734 [Rate centres in NPA 734] [Dial plan for NPA 734]

NXX: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-488 A Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
734-488 0 Chelsea MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-12-02   
734-488 1 Chelsea MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-12-02   
734-488 2 Chelsea MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-13   
734-488 3 Chelsea MI DTRTMIBHJMD  506J TWILIO INTERNATIONAL, INC. 340   2021-07-15   
734-488 4 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-02-14   
734-488 5 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-02-14   
734-488 6 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-02-14   
734-488 7 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-02-14   
734-488 8 Chelsea MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-02-14   
734-488 9 Chelsea MI SFLDMIMKEMD  490J DISH WIRELESS, LLC 340   2022-04-21   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.