Input an Area Code (required) followed by the Prefix, or Exchange (optional):
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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
240-553MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNG236Z13WASHDCRKDS300/00/0000Prefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-553
240-553-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNG236Z13WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNG236Z13WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-3MDONVOY, LLC - MD (Inteliquent)876DWSNG236Z13WASHDCRKDS311/22/2022Prefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WSNG236Z13NOCLLIKNOWN05/25/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-5MDONVOY, LLC - MD (Inteliquent)876DWSNG236Z13NOCLLIKNOWN11/22/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-6MDONVOY, LLC - MD (Inteliquent)876DWSNG236Z13NOCLLIKNOWN09/15/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-7MDCOMCAST IP PHONE, LLC318JWSNG236Z13ARTNVAARXDY08/23/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-8MDONVOY, LLC - MD (Inteliquent)876DWSNG236Z13NOCLLIKNOWN03/24/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-553-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNG236Z13WASHDCRKDS3N/APrefix Type: CLEC
Switch Name: SOUTH MARYLAND
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
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