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: 585 [Rate centres in NPA 585] [Dial plan for NPA 585]

NXX: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-439 A Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      
585-439 0 Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      
585-439 1 Henrietta NY PGHKNYWSDS0  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 974      
585-439 2 Henrietta NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974      
585-439 3 Henrietta NY ROCHNYXA7MD  384C ONVOY, LLC- NY 974      
585-439 4 Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      
585-439 5 Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      
585-439 6 Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      
585-439 7 Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      
585-439 8 Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      
585-439 9 Henrietta NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.