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.

Malden, MA

<< 1 2 3 4

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
781-870 5   892D ONVOY, LLC - MA 128   2022-09-25   
781-870 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-02-03   
781-870 7   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-09-01   
781-870 8   892D ONVOY, LLC - MA 128   2019-07-01   
781-873 A   829J PAETEC ITEL, LLC 128      
781-873 0   829J PAETEC ITEL, LLC 128      
781-873 1   829J PAETEC ITEL, LLC 128      
781-873 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-05-06   
781-873 3   829J PAETEC ITEL, LLC 128      
781-873 4   829J PAETEC ITEL, LLC 128      
781-873 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-02-03   
781-873 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2023-05-05   
781-873 7   892D ONVOY, LLC - MA 128   2016-03-07   
781-873 8   892D ONVOY, LLC - MA 128   2016-03-07   
781-873 9   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2019-07-19   
781-905 A   829J PAETEC ITEL, LLC 128      
781-905 0   892D ONVOY, LLC - MA 128   2019-07-01   
781-905 1   829J PAETEC ITEL, LLC 128      
781-905 2   892D ONVOY, LLC - MA 128   2022-12-23   
781-905 3   892D ONVOY, LLC - MA 128   2022-12-23   
781-905 4   892D ONVOY, LLC - MA 128   2022-12-23   
781-905 5   732H BARR TELL USA, INC. - MA 128   2016-01-01   
781-905 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2023-11-09   
781-905 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2023-11-09   
781-905 8   892D ONVOY, LLC - MA 128   2014-10-17   
781-905 9   892D ONVOY, LLC - MA 128   2014-10-17   
781-912 A CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-912 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-912 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-912 2   318J COMCAST IP PHONE, LLC 128   2012-11-25   
781-912 3   892D ONVOY, LLC - MA 128   2012-03-18   
781-912 4   892D ONVOY, LLC - MA 128   2023-01-27   
781-912 5   892D ONVOY, LLC - MA 128   2023-01-27   
781-912 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-912 7   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
781-912 8   892D ONVOY, LLC - MA 128   2023-01-27   
781-912 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-11-13   

<< 1 2 3 4

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.