Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 361 [Rate centres in NPA 361] [Dial plan for NPA 361]

NXX: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-520 A Calallen TX CRCHTXCB5MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 564      
361-520 2 Calallen TX   903C ONVOY, LLC - TX 564   2021-03-15   
361-520 3 Calallen TX   903C ONVOY, LLC - TX 564   2021-03-15   
361-520 4 Calallen TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2005-05-05   
361-520 5 Calallen TX   903C ONVOY, LLC - TX 564   2023-08-12   
361-520 6 Calallen TX   903C ONVOY, LLC - TX 564   2023-08-12   
361-520 7 Calallen TX   508J CENTURYLINK COMMUNICATIONS, LLC 564   2016-05-22   
361-520 8 Calallen TX   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 564      
361-520 9 Calallen TX   903C ONVOY, LLC - TX 564   2023-08-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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