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: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 350

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-350 A Lincoln NE LNCLNEXLQMD  515J IP HORIZON LLC 958   2024-02-10   
531-350 0 Lincoln NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-04-06   
531-350 1 Lincoln NE   515J IP HORIZON LLC 958   2023-12-31   
531-350 2 Lincoln NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-07-11   
531-350 3 Lincoln NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-08-12   
531-350 5 Lincoln NE   710A ALLO COMMUNICATIONS, LLC - NE 958   2024-02-10   
531-350 6 Lincoln NE   710A ALLO COMMUNICATIONS, LLC - NE 958   2024-02-10   
531-350 8 Lincoln NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-05-11   
531-350 9 Lincoln NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-06-11   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.