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: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-272 A Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 0 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 1 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 2 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 3 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 4 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 5 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 6 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 7 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      
517-272 8 Lansing MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2016-01-11   
517-272 9 Lansing MI LNNGMISORS0  9323 MICHIGAN BELL TEL CO 346      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.