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: 712 [Rate centres in NPA 712] [Dial plan for NPA 712]

NXX: 396

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
712-396 A Council Bluffs IA CNBLIAWADS1  9631 QWEST CORPORATION 644      
712-396 0 Council Bluffs IA   9631 QWEST CORPORATION 644      
712-396 1 Council Bluffs IA   9631 QWEST CORPORATION 644      
712-396 2 Council Bluffs IA   318J COMCAST IP PHONE, LLC 644   2013-08-03   
712-396 3 Council Bluffs IA   9631 QWEST CORPORATION 644      
712-396 4 Council Bluffs IA   9631 QWEST CORPORATION 644      
712-396 5 Council Bluffs IA   9631 QWEST CORPORATION 644      
712-396 6 Council Bluffs IA   9631 QWEST CORPORATION 644      
712-396 7 Council Bluffs IA   9631 QWEST CORPORATION 644      
712-396 8 Council Bluffs IA   774B WALNUT TELEPHONE COMPANY, INC. - IA 644   2006-12-30   
712-396 9 Council Bluffs IA   6701 AERIAL COMMUNICATIONS, INC. 644   2018-03-07   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.