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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-374 A Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-374 0 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-374 1 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-374 2 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-374 3 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-374 4 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-374 5 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-374 6 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-374 7 Waldorf MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-374 8 Waldorf MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2017-05-22   
301-374 9 Waldorf MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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