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 |
203-820
| 6 |
Norwalk |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
203-820
| 7 |
Norwalk |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
203-820
| 8 |
Norwalk |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
|
|
203-820
| 9 |
Norwalk |
CT |
|
5562 METROPCS, INC. |
920 |
|
|
|
203-821
| A |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 0 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 1 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2007-09-10 |
|
203-821
| 2 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 3 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 4 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 5 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 6 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 7 |
New Haven |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2010-10-23 |
|
203-821
| 8 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-821
| 9 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-822
| A |
Norwalk |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
203-822
| 0 |
Norwalk |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2014-08-22 |
|
203-822
| 1 |
Norwalk |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2010-10-13 |
|
203-822
| 2 |
Norwalk |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2010-10-13 |
|
203-822
| 3 |
Norwalk |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2011-02-10 |
|
203-822
| 4 |
Norwalk |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2011-02-10 |
|
203-822
| 5 |
Norwalk |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-08-24 |
|
203-822
| 6 |
Norwalk |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2023-08-24 |
|
203-822
| 7 |
Norwalk |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2012-04-20 |
|
203-822
| 8 |
Norwalk |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2010-08-31 |
|
203-822
| 9 |
Norwalk |
CT |
NWHNCT02X5X |
7421 AT&T - LOCAL |
920 |
|
|
|
203-823
| A |
New Haven |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
|
|
203-823
| 0 |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2008-08-07 |
|
203-823
| 1 |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2008-08-07 |
|
203-823
| 2 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2004-10-18 |
|
203-823
| 3 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2004-11-07 |
|
203-823
| 4 |
New Haven |
CT |
HRFRCT0370Z |
2706 CHOICE ONE COMMUNICATIONS, INC. - CT |
920 |
|
2007-08-01 |
|
203-823
| 5 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2005-09-03 |
|
203-823
| 6 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2005-09-03 |
|
203-823
| 7 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2005-09-03 |
|
203-823
| 8 |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2005-09-03 |
|
203-823
| 9 |
New Haven |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
|
|
203-824
| A |
New Haven |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
203-825
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-826
| A |
Danbury |
CT |
NWLNCT02DS7 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-826
| 0 |
Danbury |
CT |
HRFRCT0377Z |
350E YMAX COMMUNICATIONS CORP. - CT |
920 |
|
2011-11-22 |
|
203-826
| 1 |
Danbury |
CT |
HRFRCT0377Z |
350E YMAX COMMUNICATIONS CORP. - CT |
920 |
|
2011-11-22 |
|
203-826
| 2 |
Danbury |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2010-11-18 |
|
203-826
| 3 |
Danbury |
CT |
HRFRCT0370Z |
2706 CHOICE ONE COMMUNICATIONS, INC. - CT |
920 |
|
2005-08-15 |
|
203-826
| 4 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2006-08-25 |
|
203-826
| 5 |
Danbury |
CT |
NWHNCT02GT0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2006-07-07 |
|
203-826
| 6 |
Danbury |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2006-10-09 |
|
203-826
| 7 |
Danbury |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2006-07-26 |
|
203-826
| 8 |
Danbury |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-09-10 |
|
203-826
| 9 |
Danbury |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2006-07-26 |
|
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Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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