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: 602 [Rate centres in NPA 602] [Dial plan for NPA 602]

NXX: 441

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
602-441 A Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
602-441 0 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
602-441 1 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
602-441 2 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
602-441 3 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
602-441 4 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
602-441 5 Phoenix AZ PHNXAZMAX1Z  318J COMCAST IP PHONE, LLC 666      
602-441 6 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
602-441 7 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
602-441 8 Phoenix AZ TEMPAZNR7MD  5562 METROPCS, INC. 666      
602-441 9 Phoenix AZ   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 666      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.