Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 526

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-526 A Tucson AZ TCSMAZCH9MD  939H COMMIO, LLC 668      
520-526 0 Tucson AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2017-07-06   
520-526 1 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2017-07-30   
520-526 2 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2017-10-12   
520-526 3 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2017-12-11   
520-526 4 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2017-12-11   
520-526 5 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2017-12-11   
520-526 6 Tucson AZ TCSMAZCH9MD  939H COMMIO, LLC 668   2017-06-25   
520-526 7 Tucson AZ TCSNAZXGDS0  7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2017-10-06   
520-526 8 Tucson AZ TCSNAZXGDS0  7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2017-06-27   
520-526 9 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2017-07-30   

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

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