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.

Sefton, IL [Prefix detail]

LATA: 520 ST LOUIS MO

LIR:

V: 06627 H: 03336

ILEC: 1055 FRONTIER COMMUNICATIONS-MIDLAND, INC.

NPA 618:

347 575

See all [Local Prefixes]

Local calling TO: [Reverse direction]

OCNRate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Brownstown, IL     

*If OCN is blank, this indicates the default local calling area for all carriers. If OCN is not blank, then local calling is available for that OCN only.

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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