Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 201 [Rate centres in NPA 201] [Dial plan for NPA 201]

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
201-323 A Morristown NJ RCPKNJ02XJY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      
201-323 0 Morristown NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      
201-323 2 Morristown NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      
201-323 3 Morristown NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      
201-323 4 Morristown NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      
201-323 5 Morristown NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      
201-323 6 Morristown NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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