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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-255 A Omaha NE OMAHNENWXJY  753E CHARTER FIBERLINK-NEBRASKA, LLC - NE 644      
531-255 0 Omaha NE OMAHNENWXHY  495J STRATUS NETWORKS 644   2021-07-10   
531-255 1 Omaha NE OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2021-05-15   
531-255 2 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2021-05-15   
531-255 3 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2021-05-15   
531-255 4 Omaha NE OMAHNENWXJY  753E CHARTER FIBERLINK-NEBRASKA, LLC - NE 644   2022-08-09   
531-255 5 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2021-05-15   
531-255 6 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2021-05-15   
531-255 7 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2021-05-15   
531-255 8 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2021-05-15   
531-255 9 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2021-05-15   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.