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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-373 A Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-373 0 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-12-15   
520-373 1 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-12-20   
520-373 2 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-01-20   
520-373 3 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-01-10   
520-373 4 Tucson AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-01-30   
520-373 5 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2013-03-24   
520-373 6 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-29   
520-373 7 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-29   
520-373 8 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-29   
520-373 9 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2012-12-29   

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

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