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: 482

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-482 A Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 0 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 1 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 2 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 3 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 4 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 5 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 6 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 7 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 8 Altus OK ALTSOKMADS0  9533 SOUTHWESTERN BELL 536      
580-482 9 Altus OK   145J TERRA NOVA TELECOM INC. 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.