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.

Switch: WRCSMANKDS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
774-329 8 Worcester MA 736H PACOPTIC NETWORKS, LLC - MA 128   2016-03-31   
774-778 A Worcester MA 736H PACOPTIC NETWORKS, LLC - MA 128      
774-778 0 Worcester MA 736H PACOPTIC NETWORKS, LLC - MA 128   2016-04-11   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.