Local Calling Guide
Area code/prefix search
NPA: 203
[Rate centres in NPA 203]
[Dial plan for NPA 203]
NXX: 633
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 203-633
| A |
Wolcott |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-633
| 0 |
Wolcott |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-02-04 |
|
| 203-633
| 1 |
Wolcott |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-02-14 |
|
| 203-633
| 2 |
Wolcott |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-10-30 |
|
| 203-633
| 3 |
Wolcott |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2014-02-08 |
|
| 203-633
| 4 |
Wolcott |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
| 203-633
| 5 |
Wolcott |
CT |
HRFRCT03GT0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2011-04-26 |
|
| 203-633
| 6 |
Wolcott |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
2005-11-20 |
|
| 203-633
| 7 |
Wolcott |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-04 |
|
| 203-633
| 8 |
Wolcott |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-04 |
|
| 203-633
| 9 |
Wolcott |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-11-08 |
|
Last updated: Sat, 05 Apr 2025 03:03:23 UTC
Sponsored by: VoIP Much Phone Company
Like this site? We accept donations via PayPal.