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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-228 A Slater IA SLTRIAAD1MD  5852 HUXLEY COMMUNICATIONS COOPERATIVE - IA 632      
515-228 0 Slater IA   751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-16   
515-228 2 Slater IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
515-228 3 Slater IA   5852 HUXLEY COMMUNICATIONS COOPERATIVE - IA 632   2001-11-17   
515-228 5 Slater IA   221F ONVOY, LLC - IA 632   2021-04-22   
515-228 6 Slater IA   221F ONVOY, LLC - IA 632   2021-04-22   
515-228 7 Slater IA   444G AUREON COMMUNICATIONS, LLC 632   2022-12-07   
515-228 8 Slater IA   516J TON80 COMMUNICATIONS, LLC 632   2022-04-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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