Local Calling Guide
Area code/prefix search
NPA: 203
[Rate centres in NPA 203]
[Dial plan for NPA 203]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
203-619
| 4 |
New Haven |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2003-02-22 |
|
203-619
| 5 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-619
| 6 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-619
| 7 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-619
| 8 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-619
| 9 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-620
| A |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
|
|
203-620
| 0 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-10-01 |
|
203-620
| 1 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-10-01 |
|
203-620
| 2 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-10-01 |
|
203-620
| 3 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-10-01 |
|
203-620
| 4 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-10-01 |
|
203-620
| 5 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-10-01 |
|
203-620
| 6 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-10-01 |
|
203-620
| 7 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-09-19 |
|
203-620
| 8 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-09-19 |
|
203-620
| 9 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2004-09-19 |
|
203-621
| A |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 0 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 1 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 2 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 3 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 4 |
Darien |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2005-03-20 |
|
203-621
| 5 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 6 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 7 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-621
| 8 |
Darien |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2005-02-03 |
|
203-621
| 9 |
Darien |
CT |
SMFRCTATXMD |
3083 PAETEC COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-622
| A |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-623
| A |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
|
|
203-624
| A |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-625
| A |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 0 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 1 |
Greenwich |
CT |
NYCMNYBXDSL |
639C ONVOY, LLC - CT |
132 |
|
2015-05-09 |
|
203-625
| 2 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 3 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 4 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 5 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 6 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 7 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 8 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-625
| 9 |
Greenwich |
CT |
GNWCCTGNDS0 |
9104 VERIZON NEW YORK, INC. |
132 |
|
|
|
203-626
| A |
Wallingford |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
203-626
| 0 |
Wallingford |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
2001-06-04 |
|
203-626
| 1 |
Wallingford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2008-11-29 |
|
203-626
| 2 |
Wallingford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-02-28 |
|
203-626
| 3 |
Wallingford |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
203-626
| 4 |
Wallingford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2018-10-19 |
|
203-626
| 5 |
Wallingford |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2004-12-18 |
|
203-626
| 6 |
Wallingford |
CT |
NWHNCT030MD |
3863 CTC COMMUNICATIONS CORP. - CT |
920 |
|
2006-04-03 |
|
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Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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