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 |
203-786
| A |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| A |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 0 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 1 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 2 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 3 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 4 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 5 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 6 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 7 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-787
| 8 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-07-03 |
|
203-787
| 9 |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-788
| A |
Danbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
203-789
| A |
New Haven |
CT |
NWHNCT03DS3 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-790
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-791
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-792
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-793
| A |
Wallingford |
CT |
SMFRCTQI9MD |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
920 |
|
|
|
203-793
| 0 |
Wallingford |
CT |
HRFRCT0380Z |
539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT |
920 |
|
2013-05-04 |
|
203-793
| 1 |
Wallingford |
CT |
NWHNCT030MD |
3722 CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
920 |
|
2006-04-06 |
|
203-793
| 2 |
Wallingford |
CT |
SMFRCTQI9MD |
3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT |
920 |
|
|
|
203-793
| 3 |
Wallingford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
|
|
203-793
| 4 |
Wallingford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2020-11-22 |
|
203-793
| 5 |
Wallingford |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2020-10-18 |
|
203-793
| 6 |
Wallingford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2016-02-08 |
|
203-793
| 7 |
Wallingford |
CT |
HRFRCTCR3MD |
318J COMCAST IP PHONE, LLC |
920 |
|
2006-11-14 |
|
203-793
| 8 |
Wallingford |
CT |
SMFRCTCTDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
2017-03-03 |
|
203-793
| 9 |
Wallingford |
CT |
|
145J TERRA NOVA TELECOM INC. |
920 |
|
2020-12-12 |
|
203-794
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-794
| 0 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-794
| 1 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-794
| 2 |
Danbury |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2011-06-16 |
|
203-794
| 3 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-794
| 4 |
Danbury |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-02-28 |
|
203-794
| 5 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-794
| 6 |
Danbury |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-02-28 |
|
203-794
| 7 |
Danbury |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2011-08-11 |
|
203-794
| 8 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-794
| 9 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-795
| A |
New Haven |
CT |
ORNGCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-796
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-797
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-798
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-799
| A |
New Haven |
CT |
ORNGCT00RS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-800
| A |
New Haven |
CT |
|
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
|
|
203-800
| 0 |
New Haven |
CT |
BLFDCTAP2MD |
6624 OMNIPOINT COMMUNICATIONS, INC. - CT |
920 |
|
2011-05-08 |
|
203-800
| 1 |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2013-01-01 |
|
203-800
| 2 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2011-05-27 |
|
203-800
| 3 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2011-05-27 |
|
203-800
| 4 |
New Haven |
CT |
NWHNCT030MD |
3863 CTC COMMUNICATIONS CORP. - CT |
920 |
|
2011-05-10 |
|
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Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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