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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-355 2 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-355 3 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-355 4 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-355 5 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-355 6 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-355 7 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-355 8 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-355 9 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2016-04-20   
531-356 A Butte NE OMAKNEYW6MD  965H FRACTEL, LLC 644      
531-356 7 Butte NE OMAKNEYW6MD  965H FRACTEL, LLC 644   2021-09-17   
531-356 9 Butte NE OMAKNEYW6MD  965H FRACTEL, LLC 644   2021-09-17   
531-357 A Ainsworth NE   939H COMMIO, LLC 644   2024-03-18   
531-357 0 Ainsworth NE   939H COMMIO, LLC 644   2024-03-18   
531-358 A Louisville NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-03-23   
531-358 0 Louisville NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-03-23   
531-358 1 Louisville NE   624H ONVOY SPECTRUM, LLC 958   2024-03-26   
531-359 A Omaha NE   710A ALLO COMMUNICATIONS, LLC - NE 644   2024-04-19   
531-359 0 Omaha NE   710A ALLO COMMUNICATIONS, LLC - NE 644   2024-04-19   
531-359 1 Omaha NE   710A ALLO COMMUNICATIONS, LLC - NE 644   2024-04-19   
531-359 2 Omaha NE   710A ALLO COMMUNICATIONS, LLC - NE 644   2024-04-19   
531-359 3 Omaha NE   710A ALLO COMMUNICATIONS, LLC - NE 644   2024-04-19   
531-359 4 Omaha NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-05-11   
531-359 5 Omaha NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-05-11   
531-359 6 Omaha NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-06-11   
531-359 7 Omaha NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-06-11   
531-359 8 Omaha NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-04-20   
531-359 9 Omaha NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-04-20   
531-360 A Albion NE   549E ONVOY, LLC - NE 644   2024-04-19   
531-360 0 Albion NE   549E ONVOY, LLC - NE 644   2024-04-19   
531-360 1 Albion NE   073H TELNYX LLC 644   2024-04-20   
531-361 A Fremont NE   549E ONVOY, LLC - NE 644   2024-04-26   
531-361 0 Fremont NE   549E ONVOY, LLC - NE 644   2024-04-26   
531-361 1 Fremont NE   549E ONVOY, LLC - NE 644   2024-04-26   
531-361 2 Fremont NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-04-27   
531-362 A Beatrice NE   549E ONVOY, LLC - NE 958   2024-04-26   
531-362 0 Beatrice NE   549E ONVOY, LLC - NE 958   2024-04-26   
531-363 A Hebron NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-04-20   
531-363 0 Hebron NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-04-20   
531-364 A Geneva NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-04-20   
531-364 0 Geneva NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-04-20   
531-364 4 Geneva NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 958   2024-04-20   
531-365 A Omaha NE OMAHNENWXPX  549E ONVOY, LLC - NE 644      
531-365 0 Omaha NE OMAKNEYWDS1  478H AIRUS, INC. - NE 644   2017-04-03   
531-365 1 Omaha NE OMAHNENWGMD  5562 METROPCS, INC. 644   2017-05-26   
531-365 2 Omaha NE OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2017-02-17   
531-365 3 Omaha NE OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2017-02-17   
531-365 4 Omaha NE OMAHNENWYMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644   2016-12-26   
531-365 5 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2017-03-12   
531-365 6 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2017-03-12   
531-365 7 Omaha NE OMAHNENWXEX  7144 TELEPORT COMMUNICATIONS AMERICA, LLC - NE 644   2017-10-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.