Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-273 A Vista CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732      
442-273 0 Vista CA   981E BANDWIDTH.COM CLEC, LLC - CA 732   2015-08-20   
442-273 1 Vista CA   649C ONVOY, LLC - CA 732   2016-02-15   
442-273 2 Vista CA   649C ONVOY, LLC - CA 732   2016-02-15   
442-273 3 Vista CA   649C ONVOY, LLC - CA 732   2021-08-09   
442-273 4 Vista CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2015-10-17   
442-273 5 Vista CA   649C ONVOY, LLC - CA 732   2016-02-15   
442-273 6 Vista CA   6529 T-MOBILE USA, INC. 732   2015-05-04   
442-273 7 Vista CA   6529 T-MOBILE USA, INC. 732   2015-05-04   
442-273 8 Vista CA   649C ONVOY, LLC - CA 732   2016-11-05   
442-273 9 Vista CA   6529 T-MOBILE USA, INC. 732   2015-05-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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