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: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 693

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-693 A Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-693 0 Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2005-01-21   
956-693 1 Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2005-06-20   
956-693 2 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-693 3 Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2005-06-20   
956-693 4 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-693 5 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-693 6 Laredo TX LARDTXLADS0  9533 SOUTHWESTERN BELL 566      
956-693 7 Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2005-06-20   
956-693 8 Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-02-19   
956-693 9 Laredo TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-02-19   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.