Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-481 A Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-481 0 Altus OK OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-481 1 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-481 2 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-481 3 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-481 4 Altus OK OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-481 5 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-481 6 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-481 7 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-481 8 Altus OK OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-481 9 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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