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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 988

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-988 A Nogales AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-988 0 Nogales AZ TCSNAZ75CM0  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668      
520-988 1 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2007-10-01   
520-988 2 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2007-10-01   
520-988 3 Nogales AZ TCSNAZXGDS0  7465 BROOKS FIBER COMMUNICATIONS OF TUCSON, INC. - AZ 668   2006-08-11   
520-988 4 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2008-12-01   
520-988 5 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2009-04-24   
520-988 6 Nogales AZ NGLSAZMARS1  9636 QWEST CORPORATION 668   2008-02-07   
520-988 7 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2009-04-24   
520-988 8 Nogales AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2010-04-11   
520-988 9 Nogales AZ TCSMAZCHDS0  579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2020-03-08   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.