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.

Switch: SNBRIAXO1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-394 A North Little Rock MN 1259 NORTHERN IOWA TEL. CO. 630      
712-479 A Little Rock IA 1259 NORTHERN IOWA TEL. CO. 630      
712-567 A Maurice IA 1259 NORTHERN IOWA TEL. CO. 630      
712-727 A Granville IA 1259 NORTHERN IOWA TEL. CO. 630      
712-729 A Sanborn IA 1259 NORTHERN IOWA TEL. CO. 630      
712-738 A Matlock IA 1259 NORTHERN IOWA TEL. CO. 630      
712-947 A Hinton IA 1259 NORTHERN IOWA TEL. CO. 630      

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

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