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: 918 [Rate centres in NPA 918] [Dial plan for NPA 918]

NXX: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-439 A Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 0 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 1 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 2 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 3 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 4 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 5 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 6 Tulsa OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-439 7 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 8 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 9 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.