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.

Monroe, NY

<< 1 2 3 4 5 6

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
845-923 7   6959 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 133   2023-07-26   
845-923 8   384C ONVOY, LLC- NY 133   2022-12-29   
845-923 9   384C ONVOY, LLC- NY 133   2022-12-29   

<< 1 2 3 4 5 6

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.