Local Calling Guide
Area code/prefix search
NPA: 508
[Rate centres in NPA 508]
[Dial plan for NPA 508]
NXX: 603
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
508-603
| A |
Upton |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
|
|
508-603
| 0 |
Upton |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2006-09-01 |
|
508-603
| 1 |
Upton |
MA |
OXFRMAAKPS0 |
293C CHARTER FIBERLINK MA-CCO, LLC - MA |
128 |
|
2005-01-01 |
|
508-603
| 2 |
Upton |
MA |
CMBRMAORDS0 |
7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA |
128 |
|
2018-02-27 |
|
508-603
| 3 |
Upton |
MA |
BSTPMALLZMD |
506J TWILIO INTERNATIONAL, INC. |
128 |
|
2020-12-19 |
|
508-603
| 4 |
Upton |
MA |
|
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2024-02-20 |
|
508-603
| 5 |
Upton |
MA |
BSTNMACOVMD |
4084 PAETEC COMMUNICATIONS, INC. - MA |
128 |
|
2008-12-17 |
|
508-603
| 6 |
Upton |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2015-07-13 |
|
508-603
| 7 |
Upton |
MA |
CMBRMAORDSG |
4018 LEVEL 3 COMMUNICATIONS, LLC - MA |
128 |
|
2004-09-05 |
|
508-603
| 8 |
Upton |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2011-06-27 |
|
508-603
| 9 |
Upton |
MA |
BSTNMABLOMD |
990E BANDWIDTH.COM CLEC, LLC - MA |
128 |
|
2008-12-06 |
|
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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