Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 541

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-541 A Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-541 0 Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2021-08-21   
520-541 1 Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2021-08-21   
520-541 2 Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2021-08-21   
520-541 3 Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2021-08-21   
520-541 4 Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2021-08-21   
520-541 5 Willcox AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-08-27   
520-541 6 Willcox AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2021-08-27   
520-541 7 Willcox AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2021-10-28   
520-541 8 Willcox AZ   515J IP HORIZON LLC 668   2021-09-26   
520-541 9 Willcox AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2021-09-24   

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

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