Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

NXX: 632

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-632 A Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-632 0 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-632 1 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-632 2 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      
301-632 3 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      
301-632 4 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      
301-632 5 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      
301-632 6 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      
301-632 7 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      
301-632 8 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      
301-632 9 Waldorf MD   9212 VERIZON MARYLAND, INC. 236      

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

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