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: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 398

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-398 A Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 0 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 1 Kimball MN STCDMNTOX0X  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626   2020-05-25   
320-398 2 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 3 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 4 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 5 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 6 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 7 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 8 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      
320-398 9 Kimball MN KMBLMNXKRS3  1430 MELROSE TEL. CO. 626      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.