Local Calling Guide
Area code/prefix search
NPA: 203
[Rate centres in NPA 203]
[Dial plan for NPA 203]
NXX: 580
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
203-580
| A |
Byram |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
|
|
203-580
| 0 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2013-11-03 |
|
203-580
| 1 |
Byram |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
2012-11-23 |
|
203-580
| 2 |
Byram |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
2012-11-23 |
|
203-580
| 3 |
Byram |
CT |
WHPLNYWPXOY |
199F BANDWIDTH.COM CLEC, LLC - CT |
132 |
|
2012-12-08 |
|
203-580
| 4 |
Byram |
CT |
WHPLNYWPXOY |
199F BANDWIDTH.COM CLEC, LLC - CT |
132 |
|
2015-05-24 |
|
203-580
| 5 |
Byram |
CT |
|
829J PAETEC ITEL, LLC |
132 |
|
2015-01-10 |
|
203-580
| 6 |
Byram |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2015-05-09 |
|
203-580
| 7 |
Byram |
CT |
NYCMNYZRYMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
132 |
|
2014-04-28 |
|
203-580
| 8 |
Byram |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
2013-05-02 |
|
203-580
| 9 |
Byram |
CT |
NYCMNYZRDBS |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
132 |
|
2013-05-02 |
|
Last updated: Sun, 27 Apr 2025 12:48:38 UTC
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