Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-788 A Blockton IA LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-788 0 Blockton IA LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-788 1 Blockton IA LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-788 2 Blockton IA LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-788 3 Blockton IA LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      
641-788 4 Blockton IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2024-08-23   
641-788 8 Blockton IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2022-02-13   
641-788 9 Blockton IA LEONIAXODS0  1888 GRAND RIVER MUTUAL TEL CO 632      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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