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.

Parkfield, CA [Prefix detail]

LATA: 740 SAN LUIS OBISPO CA

LIR:

V: 08866 H: 08324

ILEC: 4420 FRONTIER CALIFORNIA INC.

NPA 805:

463

NPA 820:

400

See all [Local Prefixes]

Local calling TO: [Reverse direction]

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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