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: 705

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-705 A Elma IA KNVLIAXC1MD  751F MCC TELEPHONY OF IOWA, LLC - IA 632      
641-705 1 Elma IA   6529 T-MOBILE USA, INC. 632      
641-705 5 Elma IA DESMIA72HMD  5562 METROPCS, INC. 632      
641-705 7 Elma IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-705 8 Elma IA   624H ONVOY SPECTRUM, LLC 632      
641-705 9 Elma IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.