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: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-436 A Arrowhead CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-436 0 Arrowhead CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-07-15   
909-436 1 Arrowhead CA   515J IP HORIZON LLC 730   2006-10-09   
909-436 2 Arrowhead CA   515J IP HORIZON LLC 730   2006-10-09   
909-436 3 Arrowhead CA ARHDCAXF33H  2319 FRONTIER CALIFORNIA INC. 730   2007-03-25   
909-436 4 Arrowhead CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-04-01   
909-436 5 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2008-10-11   
909-436 6 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2008-07-06   
909-436 7 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2007-08-13   
909-436 8 Arrowhead CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-12-06   
909-436 9 Arrowhead CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2007-12-27   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.