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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 978-552 | MA | TC SYSTEMS, INC. | 7135 | LAWRENCE | MRBOMAFZDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: MARLBOROUGH Switch Type: WECO 5ESS (Digital) LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
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| 978-552-0 | MA | TC SYSTEMS, INC. | 7135 | LAWRENCE | MRBOMAFZDS0 | N/A | Prefix Type: CLEC Switch Name: MARLBOROUGH Switch Type: WECO 5ESS (Digital) LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-1 | MA | TC SYSTEMS, INC. | 7135 | LAWRENCE | MRBOMAFZDS0 | N/A | Prefix Type: CLEC Switch Name: MARLBOROUGH Switch Type: WECO 5ESS (Digital) LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-2 | MA | TC SYSTEMS, INC. | 7135 | LAWRENCE | MRBOMAFZDS0 | N/A | Prefix Type: CLEC Switch Name: MARLBOROUGH Switch Type: WECO 5ESS (Digital) LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-3 | MA | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA (Verizon Communications) | 7199 | LAWRENCE | CMBRMAORDS0 | 04/24/2012 | Prefix Type: CLEC Switch Name: CAMBRIDGE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-4 | MA | TC SYSTEMS, INC. | 7135 | LAWRENCE | MRBOMAFZDS0 | N/A | Prefix Type: CLEC Switch Name: MARLBOROUGH Switch Type: WECO 5ESS (Digital) LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-5 | MA | TC SYSTEMS, INC. | 7135 | LAWRENCE | MRBOMAFZDS0 | N/A | Prefix Type: CLEC Switch Name: MARLBOROUGH Switch Type: WECO 5ESS (Digital) LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-6 | MA | PAETEC COMMUNICATIONS, INC. - MA (Windstream Communications) | 4084 | LAWRENCE | WSBOMAGODS0 | 03/16/2015 | Prefix Type: CLEC Switch Name: WESTBORO Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-7 | MA | TC SYSTEMS, INC. | 7135 | LAWRENCE | MRBOMAFZDS0 | N/A | Prefix Type: CLEC Switch Name: MARLBOROUGH Switch Type: WECO 5ESS (Digital) LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-8 | MA | METROPCS, INC. (T-Mobile US, Inc) | 5562 | LAWRENCE | NOCLLIKNOWN | 07/23/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |
| 978-552-9 | MA | METROPCS, INC. (T-Mobile US, Inc) | 5562 | LAWRENCE | NOCLLIKNOWN | 07/23/2008 | Prefix Type: PCS Switch Name: N/A Switch Type: N/A LATA: eastern MA (128) Tandem: N/A Detailed Switch Info |