Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-310MDVERIZON MARYLAND, INC. (Verizon Communications)9212LAUREL238CLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 301-310
301-310-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212LAUREL238CLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-290MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-309MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-381MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-505
410-505-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS001/09/2003Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-505-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-720
410-720-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-720-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-995
410-995-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-995-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212ELLICOTTCYCLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS000/00/0000Prefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-259
443-259-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-259-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212COLUMBIACLMAMDOBDS0N/APrefix Type: RBOC
Switch Name: COLUMBIA
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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