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: 509

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-509 A Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 0 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 1 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
520-509 2 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 3 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 4 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
520-509 5 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
520-509 6 Casa Grande AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
520-509 7 Casa Grande AZ PHNAAZ55DS2  722E YMAX COMMUNICATIONS CORP. - AZ 666      
520-509 9 Casa Grande AZ PHNAAZ55DS2  722E YMAX COMMUNICATIONS CORP. - AZ 666      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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