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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-551 A Fowlerville MI LNNGMIMNXSZ  5562 METROPCS, INC. 346      
517-551 0 Fowlerville MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2023-05-08   
517-551 1 Fowlerville MI LNNGMIDCCMD  145J TERRA NOVA TELECOM INC. 346   2023-05-08   
517-551 2 Fowlerville MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2023-07-02   
517-551 3 Fowlerville MI LNNGMIDCEMD  490J DISH WIRELESS, LLC 346   2023-12-05   
517-551 4 Fowlerville MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2023-11-10   
517-551 5 Fowlerville MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346   2023-05-08   
517-551 6 Fowlerville MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2024-04-05   
517-551 8 Fowlerville MI LNNGMIMN02Z  318J COMCAST IP PHONE, LLC 346   2023-09-01   
517-551 9 Fowlerville MI LNNGMIMNXSZ  5562 METROPCS, INC. 346   2023-05-07   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.