Local Calling Guide
Area code/prefix search
NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]
NXX: 621
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
508-621 | A | Westboro | MA | WRCSMA02DS1 | 7135 TC SYSTEMS, INC. | 128 | |||
508-621 | 0 | Westboro | MA | WRCSMA02DS1 | 7135 TC SYSTEMS, INC. | 128 | |||
508-621 | 1 | Westboro | MA | WRCSMA02DS1 | 7135 TC SYSTEMS, INC. | 128 | |||
508-621 | 2 | Westboro | MA | WRCSMA02DS1 | 7135 TC SYSTEMS, INC. | 128 | |||
508-621 | 3 | Westboro | MA | WRCSMA02DS1 | 7135 TC SYSTEMS, INC. | 128 | |||
508-621 | 4 | Westboro | MA | WRCSMA02DS1 | 7135 TC SYSTEMS, INC. | 128 | |||
508-621 | 5 | Westboro | MA | WRCSMA02DS1 | 7135 TC SYSTEMS, INC. | 128 | |||
508-621 | 6 | Westboro | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
508-621 | 7 | Westboro | MA | CMBRMAORDS0 | 7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA | 128 | |||
508-621 | 8 | Westboro | MA | BSTPMALLDS3 | 892D ONVOY, LLC - MA | 128 | |||
508-621 | 9 | Westboro | MA | BSTPMALL5MD | 508J CENTURYLINK COMMUNICATIONS, LLC | 128 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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