Local Calling Guide
Area code/prefix search
NPA: 508
[Rate centres in NPA 508]
[Dial plan for NPA 508]
NXX: 557
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 508-557
| A |
Seekonk |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 508-557
| 0 |
Seekonk |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
2010-09-12 |
|
| 508-557
| 1 |
Seekonk |
MA |
NWTNMAWAVMD |
318J COMCAST IP PHONE, LLC |
128 |
|
|
|
| 508-557
| 2 |
Seekonk |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2013-01-11 |
|
| 508-557
| 3 |
Seekonk |
MA |
BRTNMACRLMD |
5562 METROPCS, INC. |
128 |
|
2021-10-09 |
|
| 508-557
| 4 |
Seekonk |
MA |
BSTPMALL5MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
128 |
|
2014-04-25 |
|
| 508-557
| 5 |
Seekonk |
MA |
CMBRMABENMD |
624H ONVOY SPECTRUM, LLC |
128 |
|
2021-04-12 |
|
| 508-557
| 6 |
Seekonk |
MA |
CATNMAAKPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
128 |
|
2007-08-03 |
|
| 508-557
| 7 |
Seekonk |
MA |
BSTPMALLDS3 |
892D ONVOY, LLC - MA |
128 |
|
2012-03-22 |
|
| 508-557
| 8 |
Seekonk |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2013-05-04 |
|
| 508-557
| 9 |
Seekonk |
MA |
SOVLMAABDS2 |
268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA |
128 |
|
2013-05-04 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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