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: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-233 A Casa Grande AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
520-233 0 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-08-14   
520-233 1 Casa Grande AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2006-11-04   
520-233 2 Casa Grande AZ MRCPAZMADS0  9636 QWEST CORPORATION 666   2006-11-14   
520-233 3 Casa Grande AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2007-02-02   
520-233 4 Casa Grande AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2007-02-02   
520-233 5 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2017-12-29   
520-233 6 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666   2006-11-20   
520-233 7 Casa Grande AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666   2007-05-25   
520-233 8 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2006-12-14   
520-233 9 Casa Grande AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2021-12-09   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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