Local Calling Guide

Area code/prefix search

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NPA: 986 [Rate centres in NPA 986] [Dial plan for NPA 986]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
986-640 A Warm Lake ID WRLKIDXCDS1  2226 MIDVALE TELEPHONE EXCHANGE, INC. 652      
986-640 1 Warm Lake ID WRLKIDXCDS1  2226 MIDVALE TELEPHONE EXCHANGE, INC. 652   2023-04-16   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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