Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

Mad River, CA [Prefix detail]

LATA: 722 SAN FRANCISCO CA

LIR:

V: 07922 H: 08964

ILEC: 4420 FRONTIER CALIFORNIA INC.

NPA 707:

240 475 516 574

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Local calling TO: [Reverse direction]

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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