Local Calling Guide

Area code/prefix search

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NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 821

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-821 A Portsmouth OH CLMFOHJU7MD  6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 0 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 1 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 2 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 3 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 4 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 5 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 6 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 7 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 8 Portsmouth OH   6701 AERIAL COMMUNICATIONS, INC. 324      
740-821 9 Portsmouth OH   5562 METROPCS, INC. 324      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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