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: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-271 A Carleton MI   5562 METROPCS, INC. 340      
734-271 0 Carleton MI ANARMIMNX8X  3535 ACD TELECOM, INC. - MI 340   2005-05-02   
734-271 2 Carleton MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2008-08-09   
734-271 3 Carleton MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2009-02-23   
734-271 5 Carleton MI LIVNMIUX3MD  5562 METROPCS, INC. 340   2007-02-02   
734-271 6 Carleton MI SFLDMIQJDS1  7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-02-18   
734-271 7 Carleton MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2021-01-31   
734-271 8 Carleton MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-13   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.