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.

Martinsburg, MO [Prefix detail]

LATA: 520 ST LOUIS MO

LIR:

V: 06822 H: 03750

ILEC: 1885 WINDSTREAM MISSOURI, INC.

NPA 573:

492 710

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Local calling FROM 0 exchanges: [Reverse direction]

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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