Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 749

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-749 A Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
240-749 0 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 1 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-03-13   
240-749 2 Laurel (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-11   
240-749 3 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-11-21   
240-749 4 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2022-07-08   
240-749 5 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-11-21   
240-749 6 Laurel (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-15   
240-749 7 Laurel (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-15   
240-749 8 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2021-11-21   
240-749 9 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2022-08-04   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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