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: 737

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-737 A Plymouth MI PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-737 0 Plymouth MI PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-737 1 Plymouth MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2019-12-13   
734-737 2 Plymouth MI PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-737 3 Plymouth MI SFLDMIMK9MD  145J TERRA NOVA TELECOM INC. 340   2022-12-17   
734-737 4 Plymouth MI PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-737 5 Plymouth MI PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-737 6 Plymouth MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-14   
734-737 7 Plymouth MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2022-02-21   
734-737 8 Plymouth MI PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-737 9 Plymouth MI PLMOMIMNDS0  9323 MICHIGAN BELL TEL CO 340      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.