Local Calling Guide

Rate centre information

Search by rate centre (exchange) name, region, area code, LATA. Enter full or partial name. Use official postal abbreviations for province/state/territory.

Killingworth, CT [Prefix detail]

LATA: 920 CONNECTICUT (SNET)

LIR:

V: 04745 H: 01304

ILEC: 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT

NPA 860:

452 663

NPA 959:

678 955

See all [Local Prefixes]

Local calling TO 7 exchanges: [Reverse direction]

Rate centrePlan typeCall typeMonthly limit (minutes)NoteEffective date
Clinton, CT     
Deep River, CT     
Haddam, CT     
Madison, CT     
Middletown, CT     
New Haven, CT     
Old Saybrook, CT     

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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