Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Smith River, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
707-487 A SMRVCAXFDS1  2344 FRONTIER COMMUNICATIONS WEST COAST INC. - CA 722      
707-487 0   2344 FRONTIER COMMUNICATIONS WEST COAST INC. - CA 722      
707-487 1   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2013-04-19   
707-487 2   776C CHARTER FIBERLINK CA-CCO, LLC - CA 722   2013-11-21   
707-487 3   2344 FRONTIER COMMUNICATIONS WEST COAST INC. - CA 722      
707-487 4   145J TERRA NOVA TELECOM INC. 722   2025-05-15   
707-487 5   2344 FRONTIER COMMUNICATIONS WEST COAST INC. - CA 722      
707-487 6   2344 FRONTIER COMMUNICATIONS WEST COAST INC. - CA 722      
707-487 8   516J TON80 COMMUNICATIONS, LLC 722   2021-09-17   
707-487 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-03-19   

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

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