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: 564

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-564 A Douglas AZ TCSNAZMAXBY  515J IP HORIZON LLC 668      
520-564 0 Douglas AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-12-09   
520-564 1 Douglas AZ   515J IP HORIZON LLC 668   2021-10-25   
520-564 2 Douglas AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-11-27   
520-564 3 Douglas AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-11-27   
520-564 4 Douglas AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-11-27   
520-564 5 Douglas AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-10-26   
520-564 6 Douglas AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-10-26   
520-564 7 Douglas AZ TCSNAZMAX3Y  624H ONVOY SPECTRUM, LLC 668   2021-12-11   
520-564 8 Douglas AZ TCSNAZMAX3Y  624H ONVOY SPECTRUM, LLC 668   2021-12-11   
520-564 9 Douglas AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2021-10-29   

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

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