Попробуйте шаблон re.compile(r"'postalToProgramIdHash':\s*({.*?})", flags=re.MULTILINE)
Ex:
import re
import json
script = """'postalToProgramIdHash': {"94087":"free_same_day","11412":"free_same_day","93227":"free_same_day","75227":"free_same_day", "84130":"free_same_day","40233":"free_same_day","27717":"free_same_day","45202":"free_same_day"},
'marketplaceId'"""
pattern = re.compile(r"'postalToProgramIdHash':\s*({.*?})", flags=re.MULTILINE)
zips = re.search(pattern, script)
print(json.loads(zips.group(1)))
Выход:
{u'11412': u'free_same_day',
u'27717': u'free_same_day',
u'40233': u'free_same_day',
u'45202': u'free_same_day',
u'75227': u'free_same_day',
u'84130': u'free_same_day',
u'93227': u'free_same_day',
u'94087': u'free_same_day'}