Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 219 [Rate centres in NPA 219] [Dial plan for NPA 219]

NXX: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
219-251 A Roselawn IN HBRNINXH0MD  593K MCC TELEPHONY LLC 358      
219-251 0 Roselawn IN HBRNINXH0MD  593K MCC TELEPHONY LLC 358   2010-08-09   
219-251 2 Roselawn IN HBRNIN04DS0  4117 FBN INDIANA, INC. - IN 358   2020-07-02   
219-251 4 Roselawn IN   145J TERRA NOVA TELECOM INC. 358   2025-07-10   
219-251 7 Roselawn IN CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2023-06-29   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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