Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 623 [Rate centres in NPA 623] [Dial plan for NPA 623]

NXX: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
623-777 A Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
623-777 0 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-777 1 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
623-777 2 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-777 3 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-777 4 Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
623-777 5 Phoenix AZ PHNZAZZJDS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      
623-777 6 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-777 7 Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      
623-777 8 Phoenix AZ PHNXAZ28DS3  630E ONVOY, LLC - AZ 666      
623-777 9 Phoenix AZ PHNXAZ19DS3  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 666      

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

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