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 |
203-200
| A |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
|
|
203-200
| 0 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2008-10-22 |
|
203-200
| 1 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2009-06-02 |
|
203-200
| 2 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2009-06-02 |
|
203-200
| 3 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2009-06-02 |
|
203-200
| 4 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2009-06-02 |
|
203-200
| 5 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2009-06-02 |
|
203-200
| 6 |
New Haven |
CT |
NWHNCT03DS0 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
2009-06-02 |
|
203-200
| 7 |
New Haven |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2009-07-14 |
|
203-200
| 8 |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2010-02-08 |
|
203-200
| 9 |
New Haven |
CT |
HRFRCTASBMD |
6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
920 |
|
2010-02-08 |
|
203-201
| A |
New Haven |
CT |
HRFRCT0380Z |
6630 USA MOBILITY WIRELESS, INC. |
920 |
|
|
|
203-202
| A |
Darien |
CT |
NRWLCT02YMD |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-202
| 0 |
Darien |
CT |
|
639C ONVOY, LLC - CT |
920 |
|
2024-03-03 |
|
203-202
| 1 |
Darien |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-11-08 |
|
203-202
| 2 |
Darien |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-202
| 3 |
Darien |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-12-19 |
|
203-202
| 4 |
Darien |
CT |
BLFDCTAP2MD |
5562 METROPCS, INC. |
920 |
|
2007-07-13 |
|
203-202
| 5 |
Darien |
CT |
NWHNCT02XJX |
624H ONVOY SPECTRUM, LLC |
920 |
|
2021-11-08 |
|
203-202
| 6 |
Darien |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-202
| 7 |
Darien |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-202
| 8 |
Darien |
CT |
SMFRCTDSDS0 |
7230 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT |
920 |
|
2003-07-20 |
|
203-202
| 9 |
Darien |
CT |
NRWLCTCVDS0 |
4950 CABLEVISION LIGHTPATH, INC. - CT |
920 |
|
|
|
203-204
| A |
Guilford |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-204
| 0 |
Guilford |
CT |
HRFRCTCRDS0 |
7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT |
920 |
|
|
|
203-204
| 1 |
Guilford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-09-01 |
|
203-204
| 2 |
Guilford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2005-09-01 |
|
203-204
| 3 |
Guilford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2010-09-09 |
|
203-204
| 4 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-02-18 |
|
203-204
| 5 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-02-18 |
|
203-204
| 6 |
Guilford |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2008-05-19 |
|
203-204
| 7 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-02-18 |
|
203-204
| 8 |
Guilford |
CT |
HRFRCT0379Z |
199F BANDWIDTH.COM CLEC, LLC - CT |
920 |
|
2012-05-19 |
|
203-204
| 9 |
Guilford |
CT |
HRFRCTBCDS1 |
639C ONVOY, LLC - CT |
920 |
|
2019-02-18 |
|
203-205
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 0 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 1 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 2 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 3 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 4 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 5 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 6 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 7 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 8 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-205
| 9 |
Danbury |
CT |
SMFRCTPU4MD |
4800 LEVEL 3 COMMUNICATIONS, LLC - CT |
920 |
|
2006-02-06 |
|
203-206
| A |
Waterbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
|
|
203-207
| A |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-207
| 0 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
203-207
| 1 |
Danbury |
CT |
MDTWCTNIGT1 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
920 |
|
2007-10-22 |
|
203-207
| 2 |
Danbury |
CT |
DNBRCT00DS1 |
9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT |
920 |
|
|
|
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 >>
Last updated: Wed, 07 Feb 2024 04:12:25 UTC
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