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.

Martinsdale, MT [Prefix detail]

LATA: 650 BILLINGS MT

LIR:

V: 06310 H: 07091

ILEC: 3310 TRIANGLE TEL. COOP. ASSN., INC.

NPA 406:

572

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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