Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Oskaloosa, IA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-810 1   515J IP HORIZON LLC 632   2025-10-24   
641-810 8   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2025-11-06   
641-810 9   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2025-11-25   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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