Local Calling Guide
Area code/prefix search
NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]
NXX: 250
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
617-250 | A | Cambridge | MA | CMBRMA01DS5 | 7135 TC SYSTEMS, INC. | 128 | |||
617-250 | 0 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 | ||||
617-250 | 1 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 | ||||
617-250 | 2 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 | ||||
617-250 | 3 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 | ||||
617-250 | 4 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 | ||||
617-250 | 5 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 | ||||
617-250 | 6 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 | ||||
617-250 | 7 | Cambridge | MA | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 | 2005-03-08 | |||
617-250 | 8 | Cambridge | MA | 4018 LEVEL 3 COMMUNICATIONS, LLC - MA | 128 | 2008-02-01 | |||
617-250 | 9 | Cambridge | MA | 7135 TC SYSTEMS, INC. | 128 |
Last updated: Sun, 04 Apr 2021 19:28:27 UTC
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