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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 402 [Rate centres in NPA 402] [Dial plan for NPA 402]

NXX: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-355 A Newcastle NE NWCSNEXS0MD  1576 NORTHEAST NEBRASKA TEL. CO. 644      
402-355 0 Newcastle NE NWCSNEXS0MD  1576 NORTHEAST NEBRASKA TEL. CO. 644   2023-05-02   
402-355 1 Newcastle NE NWCSNEXS0MD  1576 NORTHEAST NEBRASKA TEL. CO. 644   2023-05-02   
402-355 2 Newcastle NE NWCSNEXS0MD  1576 NORTHEAST NEBRASKA TEL. CO. 644      
402-355 3 Newcastle NE NWCSNEXS0MD  1576 NORTHEAST NEBRASKA TEL. CO. 644      
402-355 4 Newcastle NE NWCSNEXS0MD  1576 NORTHEAST NEBRASKA TEL. CO. 644   2023-05-02   
402-355 5 Newcastle NE   145J TERRA NOVA TELECOM INC. 644   2025-07-14   
402-355 8 Newcastle NE   145J TERRA NOVA TELECOM INC. 644   2026-04-30   
402-355 9 Newcastle NE NWCSNEXS0MD  1576 NORTHEAST NEBRASKA TEL. CO. 644      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.