Local Calling Guide

Area code/prefix search

Switch: HMDNCT00DS0

Switch name: Hamden,CT
Switch type: DE5
See all switches at this location

Remotes:

Switch	Switch name	Switch type
NHVNCT00RS0	North Haven, CT (Remote)	5RS

NPA-NXX	BLOCK	Rate Centre	Region	OCN	LATA	LIR	Eff date	Disc date
203-230	A	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-248	A	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-281	A	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-287	A	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-288	A	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	A	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	0	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	1	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	2	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	3	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	4	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	5	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	6	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	7	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-407	8	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920
203-582	A	New Haven	CT	9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT	920

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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