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: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-275 A Clinton OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536      
580-275 1 Clinton OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2019-01-21   
580-275 2 Clinton OK OKCZOKZCFMD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2008-08-07   
580-275 3 Clinton OK OKCYOKCEXJY  409F ONVOY, LLC - OK 536   2019-01-21   
580-275 4 Clinton OK   515J IP HORIZON LLC 536   2026-04-04   
580-275 5 Clinton OK   6272 UNITED STATES CELLULAR - OK 536   2025-02-28   
580-275 6 Clinton OK   6272 UNITED STATES CELLULAR - OK 536   2025-02-28   
580-275 7 Clinton OK   6272 UNITED STATES CELLULAR - OK 536   2025-02-28   
580-275 8 Clinton OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536      
580-275 9 Clinton OK   6529 T-MOBILE USA, INC. 536      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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