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.

Chickasha, OK

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
405-999 A OKCYOKMPAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536      
405-999 0   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-04-06   
405-999 1   6529 T-MOBILE USA, INC. 536   2024-06-18   
405-999 2   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-04-06   
405-999 3   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-04-06   
405-999 4   409F ONVOY, LLC - OK 536   2012-01-27   
405-999 5   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-04-06   
405-999 6   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-04-06   
405-999 7   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-04-06   
405-999 8   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2012-11-16   
405-999 9   409F ONVOY, LLC - OK 536   2012-01-27   
572-236 A OKCYOKSX4MD  6529 T-MOBILE USA, INC. 536   2024-07-29   
572-236 0   409F ONVOY, LLC - OK 536   2024-07-31   
572-236 1   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2024-08-22   
572-236 2   409F ONVOY, LLC - OK 536   2026-01-11   
572-236 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2026-01-30   
572-236 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2026-02-15   
572-236 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2026-02-15   
572-236 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2024-11-03   
572-236 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2025-03-17   
572-236 9   6529 T-MOBILE USA, INC. 536   2024-07-29   
572-280 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2026-03-08   
572-280 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2026-03-08   
572-280 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2026-03-08   
572-363 A OKCYOKCE04Z  516J TON80 COMMUNICATIONS, LLC 536      
572-363 0   624H ONVOY SPECTRUM, LLC 536   2025-01-22   
572-363 1   6529 T-MOBILE USA, INC. 536   2023-09-11   
572-363 2   6529 T-MOBILE USA, INC. 536   2023-09-11   
572-363 3   6529 T-MOBILE USA, INC. 536   2023-09-11   
572-363 4   6529 T-MOBILE USA, INC. 536   2023-09-11   
572-363 5   409F ONVOY, LLC - OK 536   2024-03-08   
572-363 6   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 536   2022-06-19   
572-363 7   516J TON80 COMMUNICATIONS, LLC 536   2022-05-02   
572-363 8   5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 536   2024-02-14   
572-363 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 536   2022-10-14   

<< 1 2

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.