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.

Seiling, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
580-922 A SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-922 0 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-922 1 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-922 2 SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-922 3 SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-922 4 SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-922 5 OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
580-922 6 SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-922 7 SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-922 8 SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      
580-922 9 SLNGOKXARS0  2018 PIONEER TEL. COOP., INC. 536      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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