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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 781-319 | MA | VERIZON NEW ENGLAND INC. (Verizon Communications) | 9102 | MARSHFIELD | MRFDMAMADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MARSHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
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| 781-319-0 | MA | VERIZON NEW ENGLAND INC. (Verizon Communications) | 9102 | MARSHFIELD | MRFDMAMADS0 | N/A | Prefix Type: RBOC Switch Name: MARSHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-1 | MA | VERIZON NEW ENGLAND INC. (Verizon Communications) | 9102 | MARSHFIELD | MRFDMAMADS0 | N/A | Prefix Type: RBOC Switch Name: MARSHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-2 | MA | COMCAST IP PHONE, LLC | 318J | MARSHFIELD | NOCLLIKNOWN | 01/20/2014 | Prefix Type: IPES Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-3 | MA | VERIZON NEW ENGLAND INC. (Verizon Communications) | 9102 | MARSHFIELD | MRFDMAMADS0 | N/A | Prefix Type: RBOC Switch Name: MARSHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-4 | MA | LEVEL 3 COMMUNICATIONS, LLC - MA (CenturyLink, Inc) | 4018 | MARSHFIELD | NOCLLIKNOWN | 11/16/2006 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-5 | MA | METROPCS, INC. (T-Mobile US, Inc) | 5562 | MARSHFIELD | NOCLLIKNOWN | 07/30/2021 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-6 | MA | CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC (Windstream Holdings) | 4052 | MARSHFIELD | NOCLLIKNOWN | 09/02/2005 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-7 | MA | LEVEL 3 COMMUNICATIONS, LLC - MA (CenturyLink, Inc) | 4018 | MARSHFIELD | NOCLLIKNOWN | 08/09/2004 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-8 | MA | PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | MARSHFIELD | NOCLLIKNOWN | 04/08/2013 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 781-319-9 | MA | VERIZON NEW ENGLAND INC. (Verizon Communications) | 9102 | MARSHFIELD | MRFDMAMADS0 | N/A | Prefix Type: RBOC Switch Name: MARSHFIELD Switch Type: Northern Telecom DMS100 (Digital) Host LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |