Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-477 A Swea City IA KNVLIAXC1MD  751F MCC TELEPHONY OF IOWA, LLC - IA 632      
515-477 1 Swea City IA   6529 T-MOBILE USA, INC. 632   2024-08-15   
515-477 2 Swea City IA   221F ONVOY, LLC - IA 632   2021-10-29   
515-477 4 Swea City IA   5562 METROPCS, INC. 632   2018-08-11   
515-477 7 Swea City IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-30   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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