Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 878 [Rate centres in NPA 878] [Dial plan for NPA 878]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-221 A Butler PA BTLRPAXB1MD  6701 AERIAL COMMUNICATIONS, INC. 234      
878-221 0 Butler PA   6701 AERIAL COMMUNICATIONS, INC. 234   2025-02-03   
878-221 7 Butler PA BTLRPAXB1MD  6701 AERIAL COMMUNICATIONS, INC. 234   2018-02-11   
878-221 8 Butler PA BTLRPAXB1MD  6701 AERIAL COMMUNICATIONS, INC. 234   2018-02-11   
878-221 9 Butler PA BTLRPAXB1MD  6701 AERIAL COMMUNICATIONS, INC. 234   2018-02-11   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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