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.

Tombstone, AZ

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-506 5 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-02-20   
520-506 6 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2021-02-24   
520-506 7 TCSNAZMAX6Y  073H TELNYX LLC 668   2022-08-29   
520-506 8 TCSMAZCH9MD  939H COMMIO, LLC 668   2021-06-11   
520-506 9 TCSMAZCH9MD  939H COMMIO, LLC 668   2021-06-11   
520-581 A TCSNAZMAXBY  515J IP HORIZON LLC 668      
520-581 0 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2023-04-24   
520-581 1   515J IP HORIZON LLC 668   2021-10-25   
520-581 2 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-11-27   
520-581 4 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2022-06-10   
520-581 5 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-10-26   
520-581 6 TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2022-03-19   
520-581 7 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2022-02-20   
520-581 8 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2022-02-20   
520-581 9 TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2021-12-19   
520-679 A TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-679 0 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2023-07-23   
520-679 1 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2023-07-24   
520-679 2   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2024-01-14   
520-679 3   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2024-01-27   
520-679 8 TCSNAZMAX6Y  073H TELNYX LLC 668   2023-09-18   
520-679 9 TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2023-08-10   

<< 1 2

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.