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: 669

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-669 A Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 0 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 1 Ann Arbor MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2012-01-22   
734-669 2 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 3 Ann Arbor MI SFLDMIDICA0  2550 123.NET, INC. 340   2012-05-08   
734-669 4 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 5 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 6 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 7 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 8 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
734-669 9 Ann Arbor MI ANARMIMNDS0  9323 MICHIGAN BELL TEL CO 340      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.