Local Calling Guide

Rate centre search

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name.

NPA: 840

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Rate centre ILEC LATA LIR
San Dimas, CA: see Claremont-San Dimas, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Seven Oaks, CA: see Redlands, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Skyforest, CA: see Arrowhead, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Spadra, CA: see Diamond Bar, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Twin Peaks, CA: see Arrowhead, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Upland, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Verdemont, CA: see San Bernardino, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Walnut, CA: see Diamond Bar, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Yucaipa, CA: see Calimesa, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   
Yucaipa, CA: see Redlands, CA  2319 FRONTIER CALIFORNIA INC.  730 LOS ANGELES CA   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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