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.

Center, MO [Prefix detail]

LATA: 520 ST LOUIS MO

LIR:

V: 06734 H: 03770

ILEC: 9533 SOUTHWESTERN BELL

NPA 573:

240 267 800

See all [Local Prefixes]

Local calling TO: [Reverse direction]

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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