Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 918 [Rate centres in NPA 918] [Dial plan for NPA 918]

NXX: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-443 A Claremore OK OLGHOKMARS1  9533 SOUTHWESTERN BELL 538      
918-443 0 Claremore OK TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538   2011-11-21   
918-443 1 Claremore OK OLGHOKMARS1  9533 SOUTHWESTERN BELL 538      
918-443 2 Claremore OK OLGHOKMARS1  9533 SOUTHWESTERN BELL 538      
918-443 3 Claremore OK TULSOKTBXRZ  073H TELNYX LLC 538   2023-04-14   
918-443 4 Claremore OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2023-05-22   
918-443 5 Claremore OK   145J TERRA NOVA TELECOM INC. 538   2023-06-22   
918-443 6 Claremore OK OLGHOKMARS1  9533 SOUTHWESTERN BELL 538      
918-443 7 Claremore OK TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538   2011-11-21   
918-443 8 Claremore OK TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538   2024-10-15   
918-443 9 Claremore OK   145J TERRA NOVA TELECOM INC. 538   2022-04-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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