Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-301 A South English IA NLBTIAXO2MD  593K MCC TELEPHONY LLC 635      
319-301 1 South English IA   593K MCC TELEPHONY LLC 635   2021-06-11   

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

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