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: 913 [Rate centres in NPA 913] [Dial plan for NPA 913]

NXX: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
913-990 A Olathe KS   6701 AERIAL COMMUNICATIONS, INC. 524   2025-07-20   
913-990 1 Olathe KS   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2025-07-21   
913-990 2 Olathe KS   5562 METROPCS, INC. 524   2026-02-22   
913-990 5 Olathe KS   205F ONVOY, LLC - KS 524   2026-01-11   
913-990 7 Olathe KS   205F ONVOY, LLC - KS 524   2026-01-05   
913-990 8 Olathe KS   205F ONVOY, LLC - KS 524   2026-01-05   
913-990 9 Olathe KS   6701 AERIAL COMMUNICATIONS, INC. 524   2025-07-20   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.