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: 943

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-943 A Duncan OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536      
580-943 0 Duncan OK   409F ONVOY, LLC - OK 536   2021-11-21   
580-943 1 Duncan OK   5562 METROPCS, INC. 536   2021-05-08   
580-943 2 Duncan OK   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
580-943 3 Duncan OK   409F ONVOY, LLC - OK 536   2021-11-21   
580-943 4 Duncan OK   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2025-12-17   
580-943 5 Duncan OK   409F ONVOY, LLC - OK 536   2021-11-21   
580-943 6 Duncan OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 536   2021-09-16   
580-943 7 Duncan OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 536   2021-10-18   
580-943 8 Duncan OK   6529 T-MOBILE USA, INC. 536   2019-05-24   
580-943 9 Duncan OK   6529 T-MOBILE USA, INC. 536   2019-05-24   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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