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: 441

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-441 A Klemme IA RSNRIA02DS0  860F GREENWAY COMMUNICATIONS L.L.C. - IA 632      
641-441 1 Klemme IA RSNRIA02DS0  860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2019-10-27   
641-441 2 Klemme IA RSNRIA02DS0  860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2019-10-27   
641-441 4 Klemme IA   145J TERRA NOVA TELECOM INC. 632   2025-05-27   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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