Local Calling Guide
Area code/prefix search
NPA: 203
[Rate centres in NPA 203]
[Dial plan for NPA 203]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 203-649
| 7 |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-649
| 8 |
Cheshire |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2021-10-28 |
|
| 203-649
| 9 |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-650
| A |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 0 |
Bridgeport |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
| 203-650
| 1 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 2 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 3 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 4 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 5 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 6 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 7 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 8 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-650
| 9 |
Bridgeport |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
| 203-651
| A |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-651
| 0 |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-651
| 1 |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-651
| 2 |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-651
| 3 |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-651
| 4 |
Cheshire |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-651
| 5 |
Cheshire |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-10-28 |
|
| 203-651
| 6 |
Cheshire |
CT |
HRFRCTASDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
920 |
|
2006-06-09 |
|
| 203-651
| 7 |
Cheshire |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2004-12-12 |
|
| 203-651
| 8 |
Cheshire |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-10-15 |
|
| 203-651
| 9 |
Cheshire |
CT |
|
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2002-12-11 |
|
| 203-652
| A |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 0 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 1 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 2 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 3 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 4 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 5 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 6 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 7 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-652
| 8 |
New Canaan |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2006-01-02 |
|
| 203-652
| 9 |
New Canaan |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| A |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 0 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 1 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 2 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 3 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 4 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 5 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 6 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 7 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-653
| 8 |
Stamford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2011-05-27 |
|
| 203-653
| 9 |
Stamford |
CT |
|
829J PAETEC ITEL, LLC |
920 |
|
|
|
| 203-654
| A |
New Haven |
CT |
NHVNCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
| 203-654
| 0 |
New Haven |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2006-03-07 |
|
| 203-654
| 1 |
New Haven |
CT |
MDTWCTNIBMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2003-04-05 |
|
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Last updated: Sun, 17 May 2026 03:26:51 UTC
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