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: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-403 A Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 0 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 1 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 2 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 3 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 4 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 5 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 6 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 7 Tulsa OK TULSOKRIDS0  9533 SOUTHWESTERN BELL 538      
918-403 8 Tulsa OK TULSOKDV2MD  6529 T-MOBILE USA, INC. 538   2006-01-04   
918-403 9 Tulsa OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2006-02-09   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.