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
531-209 0 Blair NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2016-06-02   
531-209 1 Blair NE OMAHNENWGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 644   2018-08-02   
531-209 2 Blair NE BLARNEXH4MD  960H MIDSTATES DATA TRANSPORT, LLC - NE 644   2021-02-08   
531-209 3 Blair NE OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2019-08-18   
531-209 4 Blair NE BLARNEXH2MD  012E GREAT PLAINS BROADBAND, INC. - NE 644   2021-02-01   
531-209 5 Blair NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-209 6 Blair NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2022-03-28   
531-209 7 Blair NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-209 8 Blair NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-209 9 Blair NE CRRLIAAF0MD  6263 UNITED STATES CELLULAR - NE 644   2020-04-13   
531-210 A Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644      
531-210 0 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2016-09-06   
531-210 1 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2016-09-06   
531-210 2 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2017-08-06   
531-210 3 Omaha NE OMAHNENWYMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644   2016-09-06   
531-210 4 Omaha NE OMAHNENWYMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644   2016-09-21   
531-210 5 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2017-08-08   
531-210 6 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2016-10-09   
531-210 7 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2016-09-06   
531-210 8 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2016-09-06   
531-210 9 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2016-09-05   
531-212 A Oakland NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644      
531-212 0 Oakland NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2016-03-28   
531-212 1 Oakland NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2021-09-23   
531-212 2 Oakland NE OMAHNENWXEY  506J TWILIO INTERNATIONAL, INC. 644   2020-12-31   
531-212 3 Oakland NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-06-15   
531-212 4 Oakland NE BLLVNEBLCMD  073H TELNYX LLC 644   2022-06-28   
531-212 5 Oakland NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-10-12   
531-212 6 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-212 7 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-212 8 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-212 9 Oakland NE OMAKNEYW1MD  939H COMMIO, LLC 644   2021-10-16   
531-213 A Omaha NE OMAHNENWYMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644      
531-213 0 Omaha NE OMAKNEYWDS1  478H AIRUS, INC. - NE 644   2018-05-25   
531-213 1 Omaha NE OMAKNEYWDS1  478H AIRUS, INC. - NE 644   2019-04-28   
531-213 2 Omaha NE OMAHNENWXGY  318J COMCAST IP PHONE, LLC 644   2019-04-20   
531-213 3 Omaha NE OMAHNENWYMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 644   2017-12-15   
531-213 4 Omaha NE BLLVNEBL5MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 644   2019-04-12   
531-213 5 Omaha NE OMAHNENWXJX  508J CENTURYLINK COMMUNICATIONS, LLC 644   2019-04-06   
531-213 6 Omaha NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2018-07-02   
531-213 7 Omaha NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2018-08-02   
531-213 8 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2018-06-08   
531-213 9 Omaha NE OMAHNENWXMX  6701 AERIAL COMMUNICATIONS, INC. 644   2018-06-08   
531-214 A Pilger NE OMAHNENWXPX  549E ONVOY, LLC - NE 644      
531-214 0 Pilger NE OMAKNEYW0MD  073H TELNYX LLC 644   2018-08-31   
531-214 1 Pilger NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2017-12-29   
531-214 2 Pilger NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-214 3 Pilger NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2019-09-16   
531-214 4 Pilger NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-10-12   
531-214 5 Pilger NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2020-06-15   

<< 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: VoIP.ms

Like this site? We accept donations via PayPal.