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: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-381 A Northwood IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-381 0 Northwood IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-381 1 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-381 2 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-381 3 Northwood IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-381 4 Northwood IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-381 5 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-381 6 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-381 7 Northwood IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-381 8 Northwood IA DESMIA72HMD  5562 METROPCS, INC. 632      
641-381 9 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.