Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-243 A Hercules-Rodeo CA SNJUCACL4MD  939H COMMIO, LLC 722   2024-02-24   
341-243 0 Hercules-Rodeo CA SNJUCACL4MD  939H COMMIO, LLC 722   2024-02-24   
341-243 1 Hercules-Rodeo CA SNJUCACL4MD  939H COMMIO, LLC 722   2024-02-24   
341-243 2 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-07-27   
341-243 3 Hercules-Rodeo CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-10-20   
341-243 4 Hercules-Rodeo CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-10-20   
341-243 5 Hercules-Rodeo CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-19   
341-243 8 Hercules-Rodeo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-08   
341-243 9 Hercules-Rodeo CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-07-07   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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