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.

OCN: 583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL

<< 1 2 3 4 5 6

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
956-615 0 Laredo TX SNANTXCA44Z  566   2015-09-04   
956-615 1 Laredo TX SNANTXCA44Z  566   2015-09-04   
956-701 3 Laredo TX SNANTXCA44Z  566   2014-06-01   
956-704 5 Laredo TX SNANTXCA44Z  566   2016-04-25   

<< 1 2 3 4 5 6

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.