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: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 354

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-354 A Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-354 0 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-354 1 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-354 2 Lawton OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2025-12-26   
580-354 3 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-354 4 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-354 5 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-354 6 Lawton OK OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2004-12-13   
580-354 7 Lawton OK OKCYOKMPDS0  7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 536   2005-09-18   
580-354 8 Lawton OK STWROK06DS0  4630 CHICKASAW TELECOMMUNICAIONS SERVICES, INC. 536   2006-11-27   
580-354 9 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.