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.

Rock Valley, IA [Prefix detail]

LATA: 630 SIOUX CITY IA

LIR:

V: 06319 H: 04809

ILEC: 1109 HEARTLAND TELECO OF IA DBA PREMIER COMMUNICATIONS

NPA 712:

451 460 470 476 607

See all [Local Prefixes]

Local calling TO 1 exchange: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Doon, IA     

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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