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: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-493 A Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668      
520-493 0 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-06-09   
520-493 1 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 2 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 3 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 4 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 5 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 6 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 7 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 8 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   
520-493 9 Tucson AZ TCSMAZEE1MD  5727 FIRSTDIGITAL TELECOM, LLC - UT 668   2019-07-15   

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

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