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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-257 A Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 0 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 1 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 2 Jackson MI LNNGMIMNXHY  5562 METROPCS, INC. 346      
517-257 3 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 4 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 5 Jackson MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346      
517-257 6 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 7 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 8 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      
517-257 9 Jackson MI LNNGMIXIAMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.