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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-856 A Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 0 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 1 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 2 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 3 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 4 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 5 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 6 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 7 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 8 Pittsburg TX PSBGTXUNRS0  9533 SOUTHWESTERN BELL 554      
903-856 9 Pittsburg TX LGVWTXPLXZX  073H TELNYX LLC 554      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.