AREA CODE 857

'Area code 857' is an overlay of parts of area code 617. It was added to create more telephone numbers. Consequently, it is mainly used for cellular phones.

Contents

Exchanges

See also

Exchanges

The following table lists all local exchanges for area code 857:

Area Code	Exchange	City/Town it covers	Zip Code
857	201
857	203	West Roxbury	02132
857	204	''Not Used''
857	205
857	209	Cambridge	02142
857	211	''Not Used''
857	212
857	217
857	220	Charlestown	02129
857	221	''Not Used''
857	222	''Cellular''
857	223	Oddball Codes	00000
857	225	West Roxbury	02132
857	226	''Not Used''
857	227	''Not Used''
857	228	Cambridge	02138
857	229
857	231
857	233	Boston
857	234	''Not Used''
857	244	Cambridge	02141
857	252	Charlestown	02129
857	253	Charlestown	02129
857	254	Charlestown	02129
857	255	Charlestown	02129
857	257
857	272	Boston	02113
857	277	''Not Used''
857	307	Brookline	02146
857	311	''Not Used''
857	363	West Roxbury	02132
857	364	Charlestown	02129
857	366	West Roxbury	02132
857	373	Charlestown	02129
857	383	Boston	02215
857	389	''Cellular''
857	399
857	401	Charlestown	02129
857	403	Boston	02110
857	411	''Not Used''
857	413	Cambridge	02142
857	445	''Not Used''
857	449
857	452	''Not Used''
857	453	Cambridge	02142
857	472
857	488	West Roxbury	02132
857	492
857	496	Boston	02110
857	498
857	499
857	511	''Not Used''
857	523	West Roxbury	02132
857	524	Boston	02210
857	526	South Grafton	01560
857	529	''Not Used''
857	540	Boston	02134
857	544	''Not Used''
857	547	Charlestown	02129
857	550	''Not Used''
857	554	''Not Used''
857	555	Cambridge	02141
857	559	Boston	02210
857	574	Cambridge	02138
857	576
857	588	Boston	02210
857	598	Cambridge	02141
857	611	''Not Used''
857	617	''Not Used''
857	626
857	636	West Roxbury	02132
857	700	''Not Used''
857	711	''Not Used''
857	719
857	728	Boston	02210
857	753	West Roxbury	02132
857	756
857	776
857	811	''Not Used''
857	814	Cambridge	02141
857	816	Cambridge	02141
857	829	Boston	02215
857	857	''Not Used''
857	888
857	891	Cambridge	02139
857	911	''Not Used''
857	919	''Not Used''
857	920	''Not Used''
857	928	Cambridge	02139
857	931	Cambridge	02141
857	932	''Not Used''
857	939	West Roxbury	02132
857	940	''Not Used''
857	950	''Not Used''
857	958	''Not Used''
857	959	''Not Used''
857	976	''Not Used''
857	978	Concord	01742
857	991
857	995	Cambridge	02142
857	997
857	998	West Roxbury	02132

See also

★ List of area codes in Massachusetts

★ List of North American area codes