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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 853

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-853 A Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 0 Pittsburg TX LGVWTXPLX7Y  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2006-04-22   
903-853 1 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 2 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 3 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 4 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 5 Pittsburg TX LGVWTXGRCMD  516C AT&T CORP. 554   2012-12-07   
903-853 6 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 7 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 8 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-853 9 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.