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: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-336 A Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 0 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 1 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 2 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 3 Lansing MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-336 4 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 5 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 6 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 7 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 8 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      
517-336 9 Lansing MI ELNSMIMNDS0  9323 MICHIGAN BELL TEL CO 346      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.