Local Calling Guide

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Essex, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-969 6   145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-969 7   876D ONVOY, LLC - MD 238   2014-10-16   
443-969 8   876D ONVOY, LLC - MD 238   2014-10-16   
443-969 9   829J PAETEC ITEL, LLC 238      
667-304 A BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-304 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-04-24   
667-304 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-04-25   
667-304 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-07-02   
667-304 3   624H ONVOY SPECTRUM, LLC 238   2021-05-22   
667-304 4   876D ONVOY, LLC - MD 238   2021-07-11   
667-304 5   876D ONVOY, LLC - MD 238   2021-07-11   
667-304 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-10-03   
667-304 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2021-07-12   
667-304 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-04-30   
667-304 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-06-05   
667-328 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-328 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-08-12   
667-328 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-08-12   
667-328 2   876D ONVOY, LLC - MD 238   2021-09-23   
667-328 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-11-04   
667-328 4   624H ONVOY SPECTRUM, LLC 238   2022-01-15   
667-328 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-12-14   
667-328 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-12-14   
667-328 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-12-14   
667-328 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-07   
667-328 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2021-08-07   
667-378 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-378 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-01   
667-378 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-07-01   
667-378 2   876D ONVOY, LLC - MD 238   2023-08-10   
667-378 3   516J TON80 COMMUNICATIONS, LLC 238   2022-03-21   
667-378 4   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-29   
667-378 5   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-29   
667-378 6   624H ONVOY SPECTRUM, LLC 238   2022-01-22   
667-378 7   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-08-29   
667-378 8   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-17   
667-378 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-01-21   
667-416 A BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-416 0   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-12-22   
667-416 1   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-12-22   
667-416 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2023-04-05   
667-416 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-02-05   
667-442 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-442 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-22   
667-442 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-22   
667-442 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-09-22   
667-442 3   876D ONVOY, LLC - MD 238   2024-02-25   
667-442 4   876D ONVOY, LLC - MD 238   2024-02-25   
667-442 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-11-17   
667-442 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-26   
667-442 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-07-29   
667-442 8   876D ONVOY, LLC - MD 238   2024-07-29   
667-442 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-09-16   
667-537 A   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-03-01   
667-537 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2026-03-01   

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

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