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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-399MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS000/00/0000Prefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-399
410-399-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-1MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-3MDATX TELECOMMUNICATIONS SERVICES, LTD.1958BEL AIRNOCLLIKNOWN02/27/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-5MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697BEL AIRNOCLLIKNOWN05/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-8MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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