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: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-224 A Sigourney IA SGRNIAXP1MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 632      
641-224 0 Sigourney IA SGRNIAXP1MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 632      
641-224 1 Sigourney IA SGRNIAXP1MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 632      
641-224 2 Sigourney IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-224 3 Sigourney IA SGRNIAXP1MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 632      
641-224 4 Sigourney IA SGRNIAXP1MD  2842 LOCAL TELEPHONE DATA SERVICES CORP. 632      
641-224 5 Sigourney IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632      
641-224 7 Sigourney IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-224 8 Sigourney IA KNVLIAXC1MD  751F MCC TELEPHONY OF IOWA, LLC - IA 632      
641-224 9 Sigourney IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.