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: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-521 A San Manuel AZ TCSMAZCHGMD  321J HD CARRIER LLC 668      
520-521 0 San Manuel AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2020-12-18   
520-521 1 San Manuel AZ TCSNAZMAX6Y  073H TELNYX LLC 668   2020-12-26   
520-521 2 San Manuel AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-01-16   
520-521 3 San Manuel AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-01-16   
520-521 4 San Manuel AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2022-11-07   
520-521 5 San Manuel AZ TCSNAZMAXDY  506J TWILIO INTERNATIONAL, INC. 668   2020-12-28   
520-521 6 San Manuel AZ TCSNAZMAX3Y  624H ONVOY SPECTRUM, LLC 668   2021-07-25   
520-521 7 San Manuel AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2021-05-28   
520-521 8 San Manuel AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2021-02-15   
520-521 9 San Manuel AZ TCSMAZCHGMD  321J HD CARRIER LLC 668   2020-12-17   

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

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